TI - POlymorphisms in the PT - JOUR DP - 2007 TA - JAMA pages = {1317-1318}, VI - 297 IP - 12 AID - 10.1001/jama.297.12.1317-a [doi] 4100 - http://dx.doi.org/10.1001/jama.297.12.1317-a SO - JAMA March 28, 2007 297(12):1317