A rapid survey of endemic goitre by a new method. The market count.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D044383:Black People; D002648:Child; D002675:Child, Preschool; D005260:Female; D006042:Goiter / Q000453:epidemiology* / Q000517:prevention & control; D006306:Health Surveys; D006801:Humans; D007223:Infant; D008297:Male; D009549:Nigeria