1. Patellectomy for osteoarthritis;Ackroyd;J Bone Joint Surg,1978
2. Miyakawa patellectomy;Baker;J Bone Joint Surg,1988
3. Chondromalacia patellae and femoropatel-lare arthrose aetiologie, klinik und therapie;Bandi;Helv Chir Acta,1972
4. Total knee arthroplasty following patellectomy;Bayne;Clin Orthop,1984
5. Seitschrift fur Orthopadie und ihre grenzgbiete;Belal;Z Orthop,1986