The problem of goitre in Ceylon.
D005260:Female; D006043:Goiter, Endemic / Q000453:epidemiology* / Q000209:etiology; D006306:Health Surveys; D006801:Humans; D015994:Incidence; D007455:Iodine / Q000032:analysis; D008297:Male; D013188:Sri Lanka / Q000453:epidemiology; D014881:Water Supply / Q000032:analysis
D007455:Iodine