TI - MEdical news PT - JOUR DP - 1969 TA - JAMA pages = {1613-1626}, VI - 207 IP - 9 AID - 10.1001/jama.1969.03150220029004 [doi] 4100 - http://dx.doi.org/10.1001/jama.1969.03150220029004 SO - JAMA March 3, 1969 207(9):1613