TI - MOdel of a boat PT - JOUR DP - 2002 TA - JAMA pages = {1947}, VI - 288 IP - 16 AID - 10.1001/jama.288.16.1947 [doi] 4100 - http://dx.doi.org/10.1001/jama.288.16.1947 SO - JAMA October 23, 2002 288(16):1947