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pro vyhledávání: '"John M. McGarry"'
Autor:
John M. McGarry
Publikováno v:
BMJ. 302:1540-1540
Autor:
John M. McGarry, Joan Andrews
Publikováno v:
BMJ. 2:74-77
In pregnancy the level of serum vitamin B(12) is lower in women who smoke than in non-smokers. This finding occurs independently of social class, parity, or level of haemoglobin. In addition, the mean serum B(12) level tends to be less in women who a