Maternal acid-base changes in pregnancy.

@article{Macrae1967MaternalAC,
  title={Maternal acid-base changes in pregnancy.},
  author={DuncanJ. Macrae and D Palavradji},
  journal={The Journal of obstetrics and gynaecology of the British Commonwealth},
  year={1967},
  volume={74 1},
  pages={
          11-6
        }
}