title: Time for a change: from exposure assessment to exposure science.
authors.forename: Paul J
authors.initials: PJ
authors.lastname: Lioy
mesh_terms: D004781:Environmental Exposure / Q000009:adverse effects*; D006801:Humans; D016273:Occupational Exposure / Q000009:adverse effects; D011640:Public Policy; D012106:Research / Q000458:organization & administration*; D018570:Risk Assessment