BRITISH COOPERATIVE CLINICAL GROUP; GONORRHOEA STUDY 1963.
D001699:Biometry; D005006:Ethnicity; D005007:Ethnology; D006069:Gonorrhea; D006801:Humans; D012106:Research; D012723:Sex; D013223:Statistics as Topic; D006113:United Kingdom
ETHNOLOGY; GONORRHEA; GREAT BRITAIN; SEX; STATISTICS