Aspartate aminotransferase (AST) =< x normal Aspartate aminotransferase (AST) < . x normal institutional limits within days of study entry AT THE TIME OF INFUSION: Aspartate aminotransferase (AST) ? x normal Within weeks of enrollment: Aspartate aminotransferase (AST) =< x normal range Bilirubin, aspartate aminotransferase (AST), alkaline phosphatase (ALK) =< x normal Aspartate aminotransferase (AST) within the reference range during screening evaluation Aspartate aminotransferase (AST) < . x ULN of the institutional normal reference range Aspartate aminotransferase (AST) =< . x normal limits Aspartate aminotransferase (AST) =< x normal