title: Disappearance of hepatitis B surface antigen in chronic type B hepatitis after clinical and laboratorial relapse produced by abrupt withdrawal of immunosuppressive drugs.
mesh_terms: D001379:Azathioprine / Q000009:adverse effects*; D002908:Chronic Disease; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced; D006509:Hepatitis B / Q000188:drug therapy / Q000276:immunology*; D006514:Hepatitis B Surface Antigens; D006801:Humans; D008297:Male; D008875:Middle Aged; D011239:Prednisolone / Q000009:adverse effects*; D013375:Substance Withdrawal Syndrome
chemical_list: D006514:Hepatitis B Surface Antigens; D011239:Prednisolone; D001379:Azathioprine