Chloral hydrate interferes with radioassay of vitamin B12.
D000368:Aged; D002697:Chloral Hydrate / Q000097:blood*; D003037:Cobalt Radioisotopes; D006801:Humans; D011865:Radioisotope Dilution Technique; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis
D003037:Cobalt Radioisotopes; D002697:Chloral Hydrate; D014805:Vitamin B 12