Chang, Rui, Jing Li, Fengqin Wang, and Guang-Chao Zhao. “Etched Stainless Steel Wire As Solid-Phase Microextraction Fiber for Determination of Polychlorinated Biphenyls in Water Sample”. Asian Journal of Chemistry 28, no. 9 (June 2, 2016): 1967–1971. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/28_9_17.