1. Amputees and their prostheses;Davies;Art. Limbs,1970
2. Statistical study of 12,000 new amputees;Glattly;South. Med. J,1964
3. Amputee survey, 1973–74: preliminary findings and comparisons;Kay;Orth. Pros,1974
4. Functional capabilities of lower extremity amputees;Kegel;Arch. Phys. Med. Rehab,1976
5. Amputations of the lower extremity: a study of 194 cases;Kerstein;Arch. Phys. Med. Rehab,1974