Fig. 1From: Implementing oncology clinical trials in Nigeria: a model for capacity buildingDistribution of study locations of oncology clinical trials registered with ClinicalTrials.gov, showing comparatively low levels of clinical trial studies in LMICs compared with HICs. Africa has 991 out of world total of 44,772,546 studies (< 2%) (Source: U.S. National Library of Medicine. https://clinicaltrials.gov/ct2/results/map?cond=Oncology&map= (Accessed January 29, 2020).Back to article page