title: The permeability of human membranes to lecithin and sphingomyelin.
mesh_terms: D000650:Amnion / Q000378:metabolism; D002855:Chromatography, Thin Layer; D005321:Extraembryonic Membranes / Q000378:metabolism*; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008431:Maternal-Fetal Exchange; D008722:Methods; D010539:Permeability; D010713:Phosphatidylcholines / Q000378:metabolism*; D011247:Pregnancy; D012996:Solutions; D013109:Sphingomyelins / Q000378:metabolism*
chemical_list: D010713:Phosphatidylcholines; D012996:Solutions; D013109:Sphingomyelins