Random sample survey in leprosy control programmes--are they a nuisance?
D000349:Africa; D001208:Asia; D005069:Evaluation Studies as Topic; D006306:Health Surveys; D006801:Humans; D007918:Leprosy / Q000453:epidemiology / Q000517:prevention & control*; D012494:Sampling Studies; D013020:South America; D013997:Time Factors; D014944:World Health Organization