[Surveys for statistical samples--their importance in the program of eradication of frambesia in Haiti].
D035843:Biomedical Research; D001699:Biometry; D003625:Data Collection; D006205:Haiti; D006306:Health Surveys; D006801:Humans; D015001:Yaws / Q000517:prevention & control*
HEALTH SURVEYS; YAWS/prevention and control