[Anatomy of the spinal nerves with special reference to their relation to the proper back muscles].
D000818:Animals; D001415:Back / Q000033:anatomy & histology; D006801:Humans; D009132:Muscles / Q000033:anatomy & histology; D013126:Spinal Nerve Roots / Q000033:anatomy & histology; D013127:Spinal Nerves / Q000033:anatomy & histology*; D013131:Spine / Q000033:anatomy & histology; D014714:Vertebrates / Q000033:anatomy & histology