TY - GEN AU - McCann,D S AU - Kirkish,L S AU - Barclay,M L AU - Blair,A J TI - Laboratory assessment of fetal lung maturity: lecithin/sphingomyelin ratio vs. cortisol and foam-test assays SN - 0009-9147 PY - 1978///0127 KW - Amniotic Fluid KW - analysis KW - Cortisone KW - metabolism KW - Female KW - Fetus KW - Humans KW - Hydrocortisone KW - Lung KW - embryology KW - Methods KW - Phosphatidylcholines KW - Pregnancy KW - Pulmonary Surfactants KW - Sphingomyelins N1 - Publication Type: Comparative Study; Journal Article ER -