Maternal morbidity rates in a managed care population.
Bruce FC, Berg CJ, Hornbrook MC, Whitlock EP, Callaghan WM, Bachman DJ, Gold R, Dietz PM.
Bruce FC, et al. Among authors: callaghan wm.
Obstet Gynecol. 2008 May;111(5):1089-95. doi: 10.1097/AOG.0b013e31816c441a.
Obstet Gynecol. 2008.
PMID: 18448740