1. Post-polio syndrome: clinical experience with 132 concequitive outpatients;Halstead,1987
2. Changes in muscle morphology, strength and enzyme in a 4–5-year follow-up of post-polio subjects;Grimby;Scand J Rehabil Med,1994
3. Dynamic electromyography and muscle biopsy changes in a 4-year follow-up study of patients with a history of polio;Stålberg;Muscle Nerve,1994
4. Disability in poliomyelitis sequelae;Grimby;Phys Ther,1994
5. Neuromuscular function in polio survivors at one-year follow-up;Agre;Arch Phys Med Rehabil,1991