title: Clues for understanding hospital variation among obstetric services.
authors.affiliation: California Maternal Quality Care Collaborative, Stanford University School of Medicine, Palo Alto, CA. Electronic address: main@CMQCC.org.
authors.forename: Elliott K
authors.initials: EK
authors.lastname: Main
mesh_terms: D005260:Female; D006297:Health Services Accessibility; D006764:Hospitals, Community / Q000706:statistics & numerical data*; D006784:Hospitals, Teaching / Q000706:statistics & numerical data*; D006801:Humans; D008505:Medical Staff, Hospital / Q000706:statistics & numerical data*; D036801:Parturition; D011247:Pregnancy