Legionnaires' Disease: Clinical Features of the Epidemic in Philadelphia.Published in:Annals of Internal Medicine, 1979, v. 90, n. 4, p. 509, doi. 10.7326/0003-4819-90-4-509By:Tsai, Theodore F.;Finn, David R.;Plikaytis, Brian D.;McCauley, William;Martin, Stanley M.;Fraser, David W.Publication type:Article