title: Rebuttal from Gaspard Montandon and Richard Horner.
authors.affiliation: gaspard.montandon@utoronto.ca.
authors.forename: Gaspard
authors.initials: G
authors.lastname: Montandon
authors.forename: Richard
authors.initials: R
authors.lastname: Horner
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects*; D000818:Animals; D006801:Humans; D008526:Medulla Oblongata / Q000187:drug effects*; D012131:Respiratory Insufficiency / Q000139:chemically induced*
chemical_list: D000701:Analgesics, Opioid