American journal of perinatology - New York : Thieme Medical Publishers - Monthly HUKM : v.19(2002)- PPUKM PS : v.19 1-2/6-8 (2002) - v.25 6-10 (2008) ISSN: 0735-1631 = American journal of perinatology Subjects--Topical Terms: Perinatology--Periodicals National Library of Medicine Call No.: Siri WQ 210.A512