Journal of Pharmaceutical Analysis, Vol 10, Iss 2, Pp 109-122 (2020) Khan, W A, Arain, M B, Yamini, Y, Shah, N, Kazi, T G, Pedersen-Bjergaard, S & Tajik, M 2020, ' Hollow fiber-based liquid phase microextraction followed by analytical instrumental techniques for quantitative analysis of heavy metal ions and pharmaceuticals ', Journal of Pharmaceutical Analysis, vol. 10, no. 2, pp. 109-122 . https://doi.org/10.1016/j.jpha.2019.12.003 Journal of Pharmaceutical Analysis