2023

• Dutta, Rohini; Tuli, Shagun; Shukla, Minal; Patil, Priti; van Duinen, Aalke Johan; Thivalapill, Neil; Ghoshal, Rakhi; Jayaram, Anusha; Roy, Nobhojit; Gadgil, Anita. (2023) Geographic and socioeconomic inequities in cesarean delivery rates at the district level in Madhya Pradesh, India: A secondary analysis of the national family health survey-5. Global health action. volum 16 (1).
  Academic article
• Patil, Priti; Nathani, Priyansh; Bakker, Juul Marlies; van Duinen, Aalke Johan; Bhushan, Pranav; Shukla, Minal; Chalise, Samir; Roy, Nobhojit; Gadgil, Anita. (2023) Are LMICs Achieving the Lancet Commission Global Benchmark for Surgical Volumes? A Systematic Review. World Journal of Surgery.
  Academic literature review
• Wangen, Endre; Gillund, Even Westgaard; Reinholdtsen, Eirik Midtgaard; Henriksveen, Kristian Jostad; van Duinen, Aalke Johan; Faqiri, Mirwais; Ystgaard, Brynjulf; Bolkan, Håkon Angell. (2023) Akutte laparotomier ved St. Olavs hospital. Tidsskrift for Den norske legeforening. volum 143 (6).
  Academic article

2022

• Adde, Håvard Askim; van Duinen, Aalke Johan; Andrews, Benetta; Bakker, Juul Marlies; Goyah, Kezelebah; Salvesen, Øyvind Olav; Sheriff, Swaliho; Utam, Terseer; Yaskey, Clarence; Weiser, Thomas G.; Bolkan, Håkon Angell. (2022) Mapping population access to essential surgical care in Liberia using equipment, personnel, and bellwether capability standards. British Journal of Surgery. volum 110 (2).
  Academic article
• Bakke, Eirik; Øseth, Eirik; Fofanah, Tairu; Sesay, Ibrahim; van Duinen, Aalke Johan; Bolkan, Håkon Angell; Westendorp, Josien; Lonnee-Hoffmann, Risa. (2022) Vacuum births and barriers to its use: An observational study in governmental hospitals in Sierra Leone. BMJ Open. volum 12 (11).
  Academic article
• Shukla, Minal; Mohan, Monali; van Duinen, Aalke Johan; Gadgil, Anita; Bakker, Juul Marlies; Bhushan, Pranav; Roy, Nobhojit. (2022) Assessing geographical and economic inequalities in caesarean section rates between the districts of Bihar, India: a secondary analysis of the National Family Health Survey. BMJ Open.
  Academic article
• van Kesteren, Jurre; Meylahn-Jansen, Pauline J.; Conteh, Amara; Lissenberg-Witte, Birgit I.; van Duinen, Aalke Johan; Ashley, Thomas; Bonjer, H. Jaap; Bolkan, Håkon Angell. (2022) Inguinal hernia surgery learning curves by associate clinicians. Surgical Endoscopy.
  Academic article
• van Kesteren, Jurre; van Duinen, Aalke Johan; Marah, Foday; van Delft, Diede; Spector, Antoinette L.; Cassidy, Laura D.; Groen, Reinou S.; Jabbi, Sonnia-Magba Bu-Buakei; Bah, Silleh; Medo, James A.; Kamanda-Bongay, Abubakarr; van Leerdam, Daniel; Westendorp, Josien; Mathéron, Hanna M.; Mönnink, Giulia L. E.; Vas Nunes, Jonathan; Lindenbergh, Karel C.; Hoel, Sara Kathleen; Løvdal, Sofie Mack. (2022) PREvalence Study on Surgical COnditions (PRESSCO) 2020: A Population-Based Cross-Sectional Countrywide Survey on Surgical Conditions in Post-Ebola Outbreak Sierra Leone. World Journal of Surgery. volum 46.
  Academic article

2021

• Adde, Håvard Askim; van Duinen, Aalke Johan; Sherman, L.M.; Andrews, B.C.; Salvesen, Øyvind; Dunbar, N.K.; Bleah, A.J.; Weiser, T.G.; Bolkan, Håkon Angell. (2021) A Nationwide Enumeration of the Surgical Workforce, its Production and Disparities in Operative Productivity in Liberia. World Journal of Surgery.
  Academic article
• Ahlback, Johan Gottfried; van Duinen, Aalke Johan; Brudal, Frank; Endreseth, Birger Henning; Bolkan, Håkon Angell. (2021) Effekt av Covid-19 pandemien på innleggelser og behandling av akuttkirurgisk pasienter i Midt-Norge. Kirurgen.
  Article
• Ashley, Thomas; Ashley, Hannah; Wladis, Andreas; Bolkan, Håkon Angell; van Duinen, Aalke Johan; Beard, Jessica; Kalsi, Hertta; Palmu, Juuli; Nordin, Pär; Kristina, Holm; Ohene-Yeboah, Michael; Löfgren, Jenny. (2021) Outcomes After Elective Inguinal Hernia Repair Performed by Associate Clinicians vs Medical Doctors in Sierra Leone: A Randomized Clinical Trial. JAMA Network Open. volum 4 (1).
  Academic article
• Bakker, Juul Marlies; van Duinen, Aalke Johan; Nolet, Wouter W.E.; Mboma, Peter; Sam, Tamba; van den Broek, Ankie; Flinkenflögel, Maaike; Gjøra, Andreas; Lindheim-Minde, Barbro; Kamanda, Samuel; Koroma, Alimamy P.; Bolkan, Håkon Angell. (2021) Barriers to increase surgical productivity in Sierra Leone: A qualitative study. BMJ Open. volum 11 (12).
  Academic article
• Bolkan, Håkon Angell; van Duinen, Aalke Johan. (2021) CapaCare 10 years, 2011 – 2021. 2021. ISBN 978-82-303-5229-8.
  Popular scientific book
• Geraedts, Tessa J. M.; Boateng, Daniel; Lindenbergh, Karel C.; Van Delft, Diede; Mathéron, Hanna M.; Mönnink, Gulia L. E.; Martens, Janine P. J.; van Leerdam, Daniel; Vas Nunes, Jonathan H.; Bu-Buakei Jabbi, Sonnia-Magba; Kpaka, Mohamed S.; Westendorp, Josien; van Duinen, Aalke Johan; Sankoh, Osman; Grobusch, Martin P.; Bolkan, Håkon Angell; Klipstein-Grobusch, Kerstin. (2021) Evaluating the cascade of care for hypertension in Sierra Leone. Tropical medicine & international health. volum 26 (11).
  Academic article
• Gjøra, Andreas; Lindheim-Minde, Barbro; Bakker, Juul Marlies; van Duinen, Aalke Johan; van Leerdam, Daniel; Smalle, Isaac O; Bundu, Ibrahim; Bolkan, Håkon Angell. (2021) Changes in surgical volume, workforce, and productivity in Sierra Leone between 2012 and 2017. Surgery.
  Academic article
• Sevalie, Stephen; Youkee, Daniel; van Duinen, Aalke Johan; Bailey, Emma; Bangura, Thaimu; Mangipudi, Sowmya; Mansaray, Esther; Odland, Maria Lisa; Parmar, Divya; Samura, Sorie; Van Delft, Diede; Wurie, Haja; Davies, Justine I; Bolkan, Håkon Angell; Leather, Andy J.M.. (2021) The impact of the COVID-19 pandemic on hospital utilisation in Sierra Leone. BMJ Global Health. volum 6 (10).
  Academic article
• Sung, Sophia; Hørthe, Hilde; Svendsen, Øyvind Veel; van Duinen, Aalke Johan; Salvesen, Øyvind; Vandi, Alphonsus; Bolkan, Håkon Angell. (2021) Early evaluation of the transition from an analog to an electronic surgical logbook system in Sierra Leone. BMC Medical Education. volum 21 (1).
  Academic article
• van Duinen, Aalke Johan; Westendorp, Josien; Ashley, Thomas; Hagander, Lars; Holmer, Hampus; Koroma, Alimamy P.; Leather, Andy J.M.; Shrime, Mark G.; Wibe, Arne; Bolkan, Håkon Angell. (2021) Catastrophic expenditure and impoverishment after caesarean section in Sierra Leone: An evaluation of the free health care initiative. PLOS ONE. volum 16 (10).
  Academic article

2020

• Adde, Håvard Askim; van Duinen, Aalke Johan; Oghogho, Mark Deenize; Dunbar, Nelson; Tehmeh, Lekilay; Hampaye, Theophilus; Salvesen, Øyvind; Weiser, Thomas G.; Bolkan, Håkon Angell. (2020) Impact of surgical infrastructure and personnel on volume and availability of essential surgical procedures in Liberia. BJS Open. volum 4 (6).
  Academic article
• Lonnee, Herman; Taule, Katinka; Sandvand, Johannes Knoph; Koroma, Michael M.; Dumbuya, Abubakar; Jusu, Kakpama S.K.; Shour, Mohamed A.; van Duinen, Aalke Johan. (2020) A survey of anaesthesia practices at all hospitals performing caesarean sections in Sierra Leone. Acta Anaesthesiologica Scandinavica.
  Academic article
• van Duinen, Aalke Johan; Adde, Håvard Askim; Fredin, Hans Ola; Holmer, Hampus; Hagander, Lars; Koroma, Alimamy Philip; Koroma, Michael M.; Leather, Andy; Wibe, Arne; Bolkan, Håkon Angell. (2020) Travel time and perinatal mortality after emergency caesarean sections: an evaluation of the 2-hour proximity indicator in Sierra Leone. BMJ Global Health. volum 5:e003943 (12).
  Academic article
• van Duinen, Aalke Johan; Westendorp, Josien; Kamara, Michael M; Forna, Fatu; Hagander, Lars; Rijken, Marcus J.; Leather, Andy J.M.; Wibe, Arne; Bolkan, Håkon Angell. (2020) Perinatal outcomes of cesarean deliveries in Sierra Leone: A prospective multicenter observational study. International Journal of Gynecology & Obstetrics. volum 150 (2).
  Academic article

2019

• Drevin, Gustaf; Alvesson, Helle Mölsted; van Duinen, Aalke Johan; Bolkan, Håkon Angell; Koroma, Alimamy philip; von Schreeb, Johan. (2019) ”For this one, let me take the risk”: why surgical staff continued to perform caesarean sections during the 2014–2016 Ebola epidemic in Sierra Leone. BMJ Global Health. volum 4.
  Academic article
• Holmer, Hampus; Kamara, Michael M.; Bolkan, Håkon Angell; van Duinen, Aalke Johan; Conteh, Sulaiman; Forna, Fatu; Hailu, Binyam; Hansson, Stefan R.; Koroma, Alimamy Philip; Koroma, Michael M.; Liljestrand, Jerker; Lonnee, Herman; Sesay, Santigie; Hagander, Lars. (2019) The rate and perioperative mortality of caesarean section in Sierra Leone. BMJ Global Health. volum 4:e001605 (5).
  Academic article
• Husby, Anne; van Duinen, Aalke Johan; Aune, Ingvild. (2019) Caesarean birth experiences. A qualitative study from Sierra Leone. Sexual & Reproductive HealthCare. volum 21.
  Academic article
• Svendsen, Øyvind Veel; Helgerud, Christoffer; van Duinen, Aalke Johan; Salvesen, Øyvind; George, Peter M.; Bolkan, Håkon Angell. (2019) Evaluation of a surgical task sharing training programme's logbook system in Sierra Leone. BMC Medical Education. volum 19 (1).
  Academic article
• van Duinen, Aalke Johan; Kamara, Michael M.; Hagander, Lars; Ashley, Thomas; Koroma, Alimamy Philip; Leather, Andy J.M.; Elhassein, Mohammed; Darj, Elisabeth; Salvesen, Øyvind; Wibe, Arne; Bolkan, Håkon Angell. (2019) Caesarean section performed by medical doctors and associate clinicians in Sierra Leone. British Journal of Surgery. volum 106 (2).
  Academic article

2018

• Bolkan, Håkon Angell; van Duinen, Aalke Johan; Samai, Mohammed; Bash-Taqi, Donald Alpha; Gassama, Ibarahim; Waalewijn, Bart; Wibe, Arne; von Schreeb, Johan. (2018) Admissions and surgery as indicators of hospital functions in Sierra Leone during the west-African Ebola outbreak. BMC Health Services Research. volum 18 (846).
  Academic article
• Waalewijn, Bart; van Duinen, Aalke Johan; Koroma, Alimamy Philip; Rijken, Markus J.; Elhassein, Mohammed; Bolkan, Håkon Angell. (2018) Important Research Elements in Aiding Training: Reply. World Journal of Surgery.
  Letter to the editor

2017

• Bolkan, Håkon Angell; van Duinen, Aalke Johan; Waalewijn, Bart; Elhassein, Mohamed; Kamara, T. B.; Deen, G F; Bundu, Ibrahim; Ystgaard, Brynjulf; von Schreeb, Johan; Wibe, Arne. (2017) Safety, productivity and predicted contribution of a surgical task-sharing programme in Sierra Leone. British Journal of Surgery. volum 104 (10).
  Academic article
• Waalewijn, Bart; van Duinen, Aalke Johan; Koroma, AP; Rijken, Markus J.; Elhassein, Mohammed; Bolkan, Håkon Angell. (2017) Learning Curve Characteristics for Caesarean Section Among Associate Clinicians: A Prospective Study from Sierra Leone. World Journal of Surgery. volum 41.
  Academic article

2016

• Brolin, Kim; van Duinen, Aalke Johan; Nordenstedt, Helena; Hoijer, J; Molnes, Ragnhild; Frøseth, Torunn Wigum; Koroma, AP; Darj, Elisabeth; Bolkan, Håkon Angell; Ekström, A. (2016) The Impact of the West Africa Ebola Outbreak on Obstetric Health Care in Sierra Leone. PLOS ONE. volum 11 (2).
  Academic article

2014

• van Duinen, Aalke Johan; Waalewijn, Bart; Ystgaard, Brynjulf; Bolkan, Håkon Angell. (2014) Strengthening of the Sierra Leonean Health System by Implementing a Surgical Task Shifting Programme. MT Bulletin of the Netherlands Society for Tropical Medicine and International Health.
  Article

2013

• van Duinen, Aalke Johan; Westendorp, J; Ashley, T; Bash-Taqi, D; Jorgensen, P; Bolkan, Håkon Angell. (2013) The surgical training program: increasing surgical capacity in sierra leone by training medical doctors and community health officers in surgical and obstetric skills - progress report. Tropical medicine & international health. volum 18.
  Abstract