Observations on variations in Schistosoma haematobium egg output, and on the relationship between the average egg output of infected persons and the prevalence of infection in a community.
D000293:Adolescent; D000818:Animals; D002648:Child; D006801:Humans; D015995:Prevalence; D012111:Residence Characteristics; D012548:Schistosoma haematobium
ADOLESCENCE; CHILD