title: Patient-controlled interscalene analgesia after shoulder surgery: catheter insertion by the posterior approach.
authors.forename: André P
authors.initials: AP
authors.lastname: Boezaart
mesh_terms: D016058:Analgesia, Patient-Controlled / Q000295:instrumentation; D002404:Catheterization / Q000009:adverse effects / Q000379:methods*; D006801:Humans; D009407:Nerve Block / Q000009:adverse effects / Q000379:methods; D011030:Pneumothorax / Q000209:etiology; D012782:Shoulder / Q000601:surgery*