TY - CHAP M1 - Book, Section TI - Legionella and Coxiella A1 - Ryan, Kenneth J. PY - 2017 T2 - Sherris Medical Microbiology, 7e AB - The death toll in the outbreak of the mysterious respiratory disease in Philadelphia rose by two to 25 as medical detectives accelerated efforts today to seek a chemical or poison as the possible cause.—The New York Times, August 7, 1976 SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=1148675767 ER -