The lack of progression of neurologic deficit in survivors of paralytic polio.
D001284:Atrophy / Q000209:etiology / Q000503:physiopathology; D006801:Humans; D007596:Joints / Q000503:physiopathology; D018482:Muscle, Skeletal / Q000503:physiopathology; D010146:Pain / Q000209:etiology / Q000503:physiopathology; D011051:Poliomyelitis / Q000150:complications / Q000175:diagnosis*; D011446:Prospective Studies