Vitamin B12 absorption: relationship between oral administration and urinary excretion of cobalt 60-labeled cyanocobalamin following a parenteral dose; study of doses of 2 to 250 mu g in 148 apparently health men 20 to 92 years old.
D000284:Administration, Oral; D001669:Biochemical Phenomena; D003035:Cobalt; D003037:Cobalt Radioisotopes; D006801:Humans; D008297:Male; D014805:Vitamin B 12 / Q000378:metabolism*
D003037:Cobalt Radioisotopes; D003035:Cobalt; D014805:Vitamin B 12
VITAMIN B12/metabolism