TI - MEdical progress. PT - JOUR DP - 1889 TA - Journal of the American Medical Association pages = {660-664}, VI - XII IP - 19 AID - 10.1001/jama.1889.02400960012003 [doi] 4100 - http://dx.doi.org/10.1001/jama.1889.02400960012003 SO - Journal of the American Medical Association May 11, 1889 XII(19):660