(1986). Surgical implants: Part 18. Specification for surgical bone screws having asymmetrical thread and spherical under-surfaces. London: BSI.
Chicago Style CitationSurgical Implants: Part 18. Specification for Surgical Bone Screws Having Asymmetrical Thread and Spherical Under-surfaces. London: BSI, 1986.
MLA CitationSurgical Implants: Part 18. Specification for Surgical Bone Screws Having Asymmetrical Thread and Spherical Under-surfaces. London: BSI, 1986.
Warning: These citations may not always be 100% accurate.