TI - INcorrect figure key PT - JOUR DP - 1999 TA - JAMA pages = {37}, VI - 281 IP - 1 AID - 10.1001/jama.281.1.37 [doi] 4100 - http://dx.doi.org/10.1001/jama.281.1.37 SO - JAMA January 6, 1999 281(1):37