title: Backrest elevation for the prevention of ventilator-associated pneumonia: back to the real world?
authors.forename: Alain
authors.initials: A
authors.lastname: Combes
mesh_terms: D006801:Humans; D015337:Multicenter Studies as Topic; D011015:Pneumonia, Aspiration / Q000209:etiology / Q000401:mortality / Q000517:prevention & control*; D016032:Randomized Controlled Trials as Topic; D012121:Respiration, Artificial / Q000009:adverse effects*; D016683:Supine Position