TI - REferences and reviews PT - JOUR DP - 1969 TA - JAMA pages = {1930-1961}, VI - 207 IP - 10 AID - 10.1001/jama.1969.03150230144049 [doi] 4100 - http://dx.doi.org/10.1001/jama.1969.03150230144049 SO - JAMA March 10, 1969 207(10):1930