TI - MEdical news PT - JOUR DP - 1979 TA - JAMA pages = {2353-2362}, VI - 241 IP - 22 AID - 10.1001/jama.1979.03290480003001 [doi] 4100 - http://dx.doi.org/10.1001/jama.1979.03290480003001 SO - JAMA June 1, 1979 241(22):2353