Towler, C M Plasma levels of pregnancy-specific beta1-glycoprotein in normal pregnancy. [electronic resource] - British journal of obstetrics and gynaecology Oct 1976 - 775-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0306-5456 Standard No.: 10.1111/j.1471-0528.1976.tb00743.x doi Subjects--Topical Terms: AdolescentAdultFemaleGlycoproteins--bloodHumansPlacental Function TestsPlacental Lactogen--bloodPregnancyPregnancy Trimester, SecondPregnancy Trimester, ThirdPregnancy, MultipleTwins