TI - MEdical news PT - JOUR DP - 1969 TA - JAMA pages = {1267-1284}, VI - 207 IP - 7 AID - 10.1001/jama.1969.03150200033003 [doi] 4100 - http://dx.doi.org/10.1001/jama.1969.03150200033003 SO - JAMA February 17, 1969 207(7):1267