Blood and urine levels of vitamin B6 in the mother and fetus before and after loading of the mother with vitamin B6.

@article{Contractor1970BloodAU,
  title={Blood and urine levels of vitamin B6 in the mother and fetus before and after loading of the mother with vitamin B6.},
  author={Soli F. Contractor and Barry Shane},
  journal={American journal of obstetrics and gynecology},
  year={1970},
  volume={107 4},
  pages={635-40}
}