Lewin, Jerzy, Urban Lindgren, and Jan E. Wahlberg. “Screw Fixation in Bone of Guinea Pigs Sensitized to Nickel and Cobalt”. Acta Orthopaedica 53, no. 4 (January 1, 1982): 675–680. Accessed May 11, 2026. https://actaorthop.org/actao/article/view/28771.