title: [Ultrastructural characteristics of the nerve trunks of the lumbosacral plexus in the middle-aged and elderly].
mesh_terms: D000368:Aged; D000375:Aging; D006801:Humans; D008160:Lumbosacral Plexus / Q000648:ultrastructure*; D008854:Microscopy, Electron; D008875:Middle Aged; D009410:Nerve Degeneration; D009413:Nerve Fibers, Myelinated / Q000648:ultrastructure
vernacular_title: Ul'trastrukturnye osobennosti nervnykh stvolov poiasnichno-krestsovogo spleteniia v pozhilom i starcheskom vozraste.