title: EXOGENOUS AND ENDOGENOUS INFLUENCES ON DISEASES OF THE LONG MOTOR TRACTS. CLINICAL AND ELECTROMYOGRAPHICAL ASPECTS.
mesh_terms: D000293:Adolescent; D000690:Amyotrophic Lateral Sclerosis; D002493:Central Nervous System Diseases; D002648:Child; D004576:Electromyography; D006801:Humans; D007223:Infant; D009136:Muscular Dystrophies; D011051:Poliomyelitis; D013116:Spinal Cord
keywords: ADOLESCENCE; AMYOTROPHIC LATERAL SCLEROSIS; CENTRAL NERVOUS SYSTEM DISEASES; CHILD; ELECTROMYOGRAPHY; INFANT; MUSCULAR DYSTROPHY; POLIOMYELITIS; SPINAL CORD