title: Acidity and particulate characteristics of aspirated material may affect the severity of pneumonitis.
authors.forename: K E
authors.initials: KE
authors.lastname: Shepherd
mesh_terms: D000818:Animals; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010316:Particle Size; D011015:Pneumonia, Aspiration / Q000209:etiology / Q000503:physiopathology*