Carroll, S, and EJ. Wood. “Exposure of Human Keratinocytes and Fibroblasts in Vitro to Nickel Sulphate Ions Induces Synthesis of Stress Proteins Hsp72 and Hsp90”. Acta Dermato-Venereologica 80, no. 2 (March 1, 2000): 94–97. Accessed June 24, 2026. https://medicaljournalssweden.se/actadv/article/view/14012.