A nationwide serum survey of Brazilian military recruits, 1964. 1. Method and sampling results.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000906:Antibodies / Q000032:analysis*; D001789:Blood Group Antigens; D001938:Brazil; D003141:Communicable Diseases / Q000453:epidemiology*; D004777:Environment; D005843:Geography; D006801:Humans; D007114:Immunization; D008297:Male; D012424:Rural Population; D012494:Sampling Studies; D013223:Statistics as Topic; D014481:United States; D014505:Urban Population
D000906:Antibodies; D001789:Blood Group Antigens