title: Comparing the steam engine with a horse-drawn carriage?
authors: Axel R
authors: AR
authors: Heller
authors: Michael P
authors: MP
authors: Müller
authors: Rainer J
authors: RJ
authors: Litz
mesh_terms: D001917:Brachial Plexus / Q000000981:diagnostic imaging; D004558:Electric Stimulation; D006801:Humans; D015994:Incidence; D009407:Nerve Block / Q000009:adverse effects* / Q000379:methods; D010292:Paresthesia / Q000503:physiopathology; D059348:Peripheral Nerve Injuries; D010523:Peripheral Nervous System Diseases / Q000453:epidemiology / Q000209:etiology*; D016032:Randomized Controlled Trials as Topic / Q000379:methods; D012107:Research Design; D012782:Shoulder / Q000601:surgery; D014463:Ultrasonography