TY - GEN AU - HIRAYAMA,C TI - [THE SPREAD OF SERUM HEPATITIS] SN - 0016-254X PY - 1996///1201 KW - Adolescent KW - Geriatrics KW - Hepatitis KW - Hepatitis A KW - Hepatitis B KW - Hepatitis B virus KW - Humans N1 - Publication Type: Journal Article ER -