TI - ENgland PT - JOUR DP - 1955 TA - Journal of the American Medical Association pages = {802-805}, VI - 159 IP - 8 AID - 10.1001/jama.1955.02960250064020b [doi] 4100 - http://dx.doi.org/10.1001/jama.1955.02960250064020b SO - Journal of the American Medical Association October 22, 1955 159(8):802