our investigations confirmed the oncostatic effect of this compound based on ( a ) the measurements of melatonin in the serum of melanoma patients , ( b ) 5-hydroxyindole-o-methyltransferase activity in the pineal of patients with malignant tumors , and ( c ) the detection of neuromelanin pigment in pineal bodies related to malignancy .
C0025202
patients
C0006826
malignant tumors