| retrospective study of 30 cases of legionella pneumonia in the kansai region. | thirty legionella pneumonia cases were clinically investigated retrospectively from 1999 to 2005 at the respiratory medicine department of kyoto university and affiliated hospitals. twenty-eight cases were sporadic and two cases were part of an outbreak. the patients consisted of 28 men and 2 women, with a mean age of 58.8 years (range 25-87). nineteen cases were smokers and 19 had some underlying disease. the mean period from the disease occurrence to presenting at a hospital was 4.8 days (rang ... | 2006 | 17109091 |