“Under … folic acid (intra-abdominally, 100 mg/kg-6 days, 25 mg/k-14 days) there is a growth in the B5 and P-450 cytochrome ….H-cytochrome P-450 and NAD.H-cytochrome B5-reductase activity and in the oxidation rate of NADP.H, NAD.H and ethylmorphine ….”