Must have normal renal function (Creatinine less than or equal to 1.4 mg/dl), SGOT and SGPT less than or equal to 2.5 x of the upper limits of normal. Total bilirubin less than 1.5 mg/dL; AGC greater than or equal to 1.5 x 10(3) microliter; platelets greater than 100,000 per mm(3).