1. A survey of osteoporosis using the calcaneum as an index;Aggarwal;Int Orthop,1986
2. Bilateral aseptic necrosis of calcanei in an adult male with sickle cell disease treated by a surgical coring procedure;Allen;J Rheumatol,1983
3. Die Verkalkung des ligamentum plantare longum baw;Andersch;der aponeurosis plantaris beim alteren diabetikern. Dtsch Z Verdau Stoffwechselkr,1971
4. Subtalar dislocation in rheumatoid arthritis;Ang;J Rheumatol,1982
5. Rheumatoid arthritis-surgical treatment;Arden;Br Med J,1970