1. Physiology and disease of the respiratory system in pregnancy. A review;Fishburne;J Reprod Med,1979
2. Critical care in the pregnant patient;Lapinsky;Am J Respir Crit Care Med,1995
3. Pregnancy and the lung;Weinberger;Am Rev Respir Dis,1980
4. Pulmonary function during pregnancy;Wise,1998
5. Pulmonary complications of pregnancy;Pereira;Clin Chest Med,2004