TI - RIo de janeiro PT - JOUR DP - 1929 TA - Journal of the American Medical Association pages = {245-246}, VI - 92 IP - 3 AID - 10.1001/jama.1929.02700290055023 [doi] 4100 - http://dx.doi.org/10.1001/jama.1929.02700290055023 SO - Journal of the American Medical Association January 19, 1929 92(3):245