title: Re: Nitrous oxide (Entonox) inhalation and tolerance of transrectal ultrasound guided prostate biopsy: a double-blind randomized controlled study.
authors.forename: J Stephen
authors.initials: JS
authors.lastname: Jones
mesh_terms: D000280:Administration, Inhalation; D019162:Anesthetics, Combined / Q000008:administration & dosage*; D001706:Biopsy / Q000009:adverse effects*; D004311:Double-Blind Method; D006801:Humans; D008297:Male; D009609:Nitrous Oxide / Q000008:administration & dosage*; D010100:Oxygen / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000517:prevention & control*; D011467:Prostate / Q000000981:diagnostic imaging / Q000473:pathology*; D016032:Randomized Controlled Trials as Topic; D012007:Rectum; D014463:Ultrasonography
chemical_list: D019162:Anesthetics, Combined; C001147:Entonox; D009609:Nitrous Oxide; D010100:Oxygen