title: Pneumothorax after brachial plexus block guided by ultrasonography: case report.
authors.forename: Karls Otto
authors.initials: KO
authors.lastname: Geier
mesh_terms: D001917:Brachial Plexus; D006801:Humans; D008297:Male; D009407:Nerve Block / Q000009:adverse effects* / Q000379:methods*; D011030:Pneumothorax / Q000209:etiology*