the mean urinary excretion in a vitamin-b ( 12 ) absorption ( schilling ) test in control subjects was 19.2 % and in pernicious anaemia when given with additional intrinsic factor was as follows : no intrinsic-factor antibodies demonstrable 19.3 % , antibodies in serum only 14.4 % , antibodies in gastric juice only 11.1 % , and antibodies in both serum and gastric juice 8.4 % .
C0042845
vitamin-b ( 12
C0002892
pernicious anaemia