the following enzymatic activities were measured in serum of patients with benign and malignant ovarian tumors before treatment : alkaline and acid phosphatases , aspartyl ( aspat ) and alanyl ( alat ) aminotransferases , leucyl ( lap ) and alanyl ( aap ) aminopeptidases , lactate dehydrogenase ( ldh ) , gamma-glutamyl transpeptidase , cathepsin , alkaline ribonuclease ( rnase ) and beta-glucuronidase .
C0054943
aap
C0002570
aminopeptidases