3Martinez-Lavin M, Pineda C, Valdez T, et al. Primary hypertrophic osteoarthropathy[J].Seminars in Arthritis and Rheumatism, 1988,17:156～ 162.
4Matsui Y, Nishii Y,Maeda M, et al. Pachydermoperiostosis report of a case and review of 121 Japanese cases[J].Nippon Hifuka Gakkai Zasshi, 1991,101:461～ 467.
5Ansell BM. Hypertrophic osteoarthropathy in the paediatric age [J]. Clin Exp Rheumatol, 1992, 10 (Suppl 7): 15 ～ 18.
6Matucci-cerinic M, Lotti T, Jajic I, et al. The clinical spectrum of pachydermoperiostosis (primary hypertrophic os teoar thropa thy) [J]. Medicine (Baltimore), 1991, 70:208 ～ 214.
7Sinha GP, Curtis P, Haigh D, et al. Pachydermoperiostosis in chi ldhood [J]. Br J Rheumatol, 1997, 36:1224 - 1227.
