TI - BIrth spacing and adverse perinatal outcomes—reply PT - JOUR DP - 2006 TA - JAMA pages = {929-934}, VI - 296 IP - 8 AID - 10.1001/jama.296.8.929-b [doi] 4100 - http://dx.doi.org/10.1001/jama.296.8.929-b SO - JAMA August 23, 2006 296(8):929