Development of a new modular titanium femoral prosthesis consisting of a head and shaft component. Indications, operation and optimization of the tapered socket connection. - Andreß,H.J.; Lob,G.; Kahl,S.; Kranz,C.; Gierer,P.; Landes,J.; Schürmann,M.; Piltz,S. (Eur J Orthop Surg Traumatol, 1999)