RT Journal Article SR Electronic T1 Associations between spontaneous preterm birth and maternal-newborn ABO blood phenotype pairs JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 660 OP 664 VO 33 IS 6 A1 Sameer Y. Al-Abdi A1 Maryam A. Al-Aamri A1 Kamal I. Dabelah A1 Taher A. Mousa A1 Najeeb G. Al-Rahman A1 Hussien I. Bukhamsien YR 2012 UL http://smj.org.sa/content/33/6/660.abstract AB Markup server — Error Error There was a problem handling your request. Please try again in a few minutes, or contact us if you continue to experience this problem.