TI - MEdical news PT - JOUR DP - 1959 TA - Journal of the American Medical Association pages = {2341-2347}, VI - 171 IP - 17 AID - 10.1001/jama.1959.03010350063016 [doi] 4100 - http://dx.doi.org/10.1001/jama.1959.03010350063016 SO - Journal of the American Medical Association December 26, 1959 171(17):2341