AU - Mitka M TI - BPa ban proposed PT - JOUR DP - 2009 TA - JAMA pages = {1868}, VI - 301 IP - 18 AID - 10.1001/jama.2009.605 [doi] 4100 - http://dx.doi.org/10.1001/jama.2009.605 SO - JAMA May 13, 2009 301(18):1868