of vitamin B 12 by mouth ... As far as could be determined he had never received medication containing intrinsic factor. In the fall of 1965 he noted swelling of the legs, increasing shortness ...
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10 Signs of Vitamin B12 Deficiency That May Deceive YouMost Americans get plenty of vitamin B12 through the food they eat, but there are some notable exceptions (older Americans ...
daily. At intervals throughout the study tests of vitamin B 12 absorption were carried out, serum was obtained for titration of intrinsic-factor antibody titer, and gastric juice was tested when ...
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