title: Epidemiological aspects of toxoplasmosis. III. The influence of contact with animals upon the prevalence of positive toxoplasmic reactions.
mesh_terms: D000818:Animals; D000829:Animals, Domestic; D006801:Humans; D008297:Male; D012882:Skin Tests; D014123:Toxoplasmosis / Q000175:diagnosis / Q000453:epidemiology* / Q000635:transmission