Momma K, Ito T, Mori Y, Yamamura Y
Department of Pediatric Cardiology, Heart Institute of Japan, Tokyo Women's Medical College, Tokyo.
Early Hum Dev. 1992 Jun-Jul;29(1-3):167-70. doi: 10.1016/0378-3782(92)90133-2.
The perinatal changes in the cardiovascular system were studied in fetal rats. The changes in the cardiovascular system occurred earlier than in humans. The ductus arteriosus closes in the rat in one and a half hours.
