TI - WArning on dietary supplements PT - JOUR DP - 1999 TA - JAMA pages = {1218}, VI - 282 IP - 13 AID - 10.1001/jama.282.13.1218 [doi] 4100 - http://dx.doi.org/10.1001/jama.282.13.1218 SO - JAMA October 6, 1999 282(13):1218