Hills, B A Release and lubricating properties of amniotic surfactants and the very hydrophobic surfaces of the amnion, chorion, and their interface. [electronic resource] - Obstetrics and gynecology Oct 1986 - 550-4 p. digital Publication Type: Journal Article ISSN: 0029-7844 Subjects--Topical Terms: Amnion--drug effectsChorion--drug effectsFemaleHumansLubricationPhospholipids--pharmacologyPregnancySurface Properties