TI - THe purification of water by ozone PT - JOUR DP - 1909 TA - Journal of the American Medical Association pages = {636-637}, VI - LIII IP - 8 AID - 10.1001/jama.1909.02550080040007 [doi] 4100 - http://dx.doi.org/10.1001/jama.1909.02550080040007 SO - Journal of the American Medical Association August 21, 1909 LIII(8):636