The role of cancer registration in developing countries.
D000349:Africa; D000488:Allied Health Personnel; D003710:Demography; D003906:Developing Countries; D005500:Follow-Up Studies; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control; D012042:Registries; D013997:Time Factors