Burchhardt F, Gross W, Langer H W, Zöller H
Aktuelle Gerontol. 1978 Aug;8(8):423-5.
In 30 students and 43 patients over 60 years the stimulation of enzymes in erythrocytes by pyridoxal-5-phosphate was tested. GOT in blood and erythrocytes was in the old patients diminished and showed higher values after stimulation.