TI - OCtober 27, 1999 PT - JOUR DP - 1999 TA - JAMA pages = {1593-1594}, VI - 282 IP - 16 AID - 10.1001/jama.282.16.1593 [doi] 4100 - http://dx.doi.org/10.1001/jama.282.16.1593 SO - JAMA October 27, 1999 282(16):1593