THE INFLUENCE OF SOCIAL FACTORS ON THE SPREAD OF INFECTIOUS HEPATITIS.
D000293:Adolescent; D002648:Child; D003141:Communicable Diseases; D004813:Epidemiology; D005853:Geriatrics; D006505:Hepatitis; D006506:Hepatitis A; D007223:Infant; D007231:Infant, Newborn; D014765:Viral Vaccines; D015022:Yugoslavia
D014765:Viral Vaccines
ADOLESCENCE; CHILD; EPIDEMIOLOGY; GERIATRICS; HEPATITIS, INFECTIOUS; INFANT; INFANT, NEWBORN; YUGOSLAVIA