![](/img/cover-not-exists.png)
Amniotic fluid lecithin/sphingomyelin ratio as an assessment of fetal pulmonary maturity
Bryson, Melvin J., Gabert, Harvey A., Stenchever, Morton A.Volume:
114
Language:
english
Journal:
American Journal of Obstetrics and Gynecology
DOI:
10.1016/0002-9378(72)90060-9
Date:
September, 1972
File:
PDF, 440 KB
english, 1972