TI - MEdical news PT - JOUR DP - 1963 TA - JAMA pages = {23-34}, VI - 183 IP - 1 AID - 10.1001/jama.1963.03700010011002 [doi] 4100 - http://dx.doi.org/10.1001/jama.1963.03700010011002 SO - JAMA January 5, 1963 183(1):23