Control of infectious hepatitis in a boarding school by gamma-globulin.
D006505:Hepatitis; D006506:Hepatitis A / Q000628:therapy*; D012574:Schools; D014765:Viral Vaccines; D005719:gamma-Globulins / Q000628:therapy*
D014765:Viral Vaccines; D005719:gamma-Globulins
GAMMA GLOBULIN/therapy; HEPATITIS, INFECTIONS/therapy