Feasibility of consecutive-day Schilling tests.
D000284:Administration, Oral; D000328:Adult; D003037:Cobalt Radioisotopes; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012546:Schilling Test / Q000592:standards*; D013997:Time Factors; D014805:Vitamin B 12 / Q000008:administration & dosage*
D003037:Cobalt Radioisotopes; D014805:Vitamin B 12