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APA Citation
Katsidzira, L., Mudombi, W. F., Makunike-Mutasa, R., Yilmaz, B., Blank, A., Rogler, G., Macpherson, A., Vavricka, S., Gangaidzo, I., & Misselwitz, B. (2020). inflammatory bowel disease in sub-Saharan Africa: a protocol of a prospective registry with a nested case–control study. BMJ open, 10(12), . http://access.bl.uk/ark:/81055/vdc_100127579273.0x000051