medicina TecaLibri John Charnley: opere 1990 John Charnley: The man and the hip [aut. W. Waugh], Springer-Verlag London, [rif.] 2016 Charnley low frictional torque arthroplasty of the hip: practice and results [aut. B.M. Wroblewski, al.], Springer, New York, [rif.]