Studies on the agent of infectious hepatitis. III. The effect of skin tests for infectious hepatitis on the incidence of the disease in a closed institution.
D005260:Female; D006505:Hepatitis; D006506:Hepatitis A; D006801:Humans; D015994:Incidence; D012882:Skin Tests; D014765:Viral Vaccines
D014765:Viral Vaccines
HEPATITIS, INFECTIOUS/experimental