TI - MIdsummer PT - JOUR DP - 1999 TA - JAMA pages = {214}, VI - 282 IP - 3 AID - 10.1001/jama.282.3.214 [doi] 4100 - http://dx.doi.org/10.1001/jama.282.3.214 SO - JAMA July 21, 1999 282(3):214