Livrinova V, Petrov I, Samardziski I, Jovanovska V, Boshku AA, Todorovska I, Dabeski D, Shabani A. Clinical Importance of Low Level of PAPP-A in First Trimester of Pregnancy - An Obstetrical Dilemma in Chromosomally Normal Fetus. Open Access Maced J Med Sci [Internet]. 2019 May 14 [cited 2024 May 1];7(9):1475-9. Available from: https://oamjms.eu/index.php/mjms/article/view/oamjms.2019.348