1. Placenta et liquide amniotique;Saliba,2001
2. Fetal placental circulation;Carter,1993
3. Regulation of the placental circulation;Rosenfeld,1998
4. Placental respiratory gas exchange and fetal oxygenation;Meshia,1999
5. Fetal oxygenation, carbon dioxide homeostasis, and acid-base balance;Rurak,1994