1. Report of DDT spraying activities during the 1945 poliomyelitis epidemic in Denver, Colorado Author(s): Rossano, August T., Jr., 1916- author Publication: Denver, Colorado : Colorado Division of Public Health, Division of Industrial Hygiene, November 27, 1945 Subject(s): DDTInsecticidesInsect ControlPoliomyelitis -- epidemiologyPoliomyelitis -- prevention & controlColorado -- epidemiology