AU - Baker HB TI - THe causation of pneumonia. PT - JOUR DP - 1889 TA - Journal of the American Medical Association pages = {680-681}, VI - XII IP - 19 AID - 10.1001/jama.1889.02400960032010 [doi] 4100 - http://dx.doi.org/10.1001/jama.1889.02400960032010 SO - Journal of the American Medical Association May 11, 1889 XII(19):680