AU - Asch DA, Nicholson S, Srinivas S, Herrin J, Epstein AJ TI - EValuating obstetrical residency programs using patient outcomes PT - JOUR DP - 2009 TA - JAMA pages = {1277-1283}, VI - 302 IP - 12 AID - 10.1001/jama.2009.1356 [doi] 4100 - http://dx.doi.org/10.1001/jama.2009.1356 SO - JAMA September 23, 2009 302(12):1277