Makahleh, A. and Cheng, K.W. and Saad, B. and Aboul-Enein, H.Y.  (2020) Hollow Fiber Based Liquid Phase Microextraction with High Performance Liquid Chromatography for the Determination of Trace Carvedilol (β-Blocker) in Biological Fluids.  Acta Chromatographica, 32 (2).  pp. 149-155.  ISSN 20835736