2) Frankel, J. P., Boysen, T. J. and Ochwat, G. F. : Surgery for Tophceous Gout. J. Foot Surg., 23 : 440—444, 1984.
3) Gutman, A. B. : The past four decades of progress in the knowledge of gout, with an assessment of the present status. Arthritis Rheum., 16(4) : 431—45, 1973.