title: Posterior lumbar plexus block.
authors.forename: S
authors.initials: S
authors.lastname: Lang
mesh_terms: D000772:Anesthesia, Local; D001182:Arthroscopy; D006801:Humans; D007719:Knee Joint / Q000601:surgery; D008160:Lumbosacral Plexus / Q000033:anatomy & histology; D009407:Nerve Block / Q000379:methods; D016658:Psoas Muscles / Q000033:anatomy & histology; D012584:Sciatic Nerve