TI - MEdical news PT - JOUR DP - 1937 TA - Journal of the American Medical Association pages = {716-720}, VI - 109 IP - 9 AID - 10.1001/jama.1937.02780350084016 [doi] 4100 - http://dx.doi.org/10.1001/jama.1937.02780350084016 SO - Journal of the American Medical Association August 28, 1937 109(9):716