title: Letter: Amyotrophic lateral sclerosis and bedsores.
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000503:physiopathology*; D001808:Blood Vessels / Q000294:innervation; D006801:Humans; D003668:Pressure Ulcer / Q000209:etiology*; D012867:Skin / Q000098:blood supply; D013564:Sympathetic Nervous System / Q000503:physiopathology