REZAEE, R., QOMI, M. and PIROOZI, F. 2015. Hollow-fiber micro-extraction combined with HPLC for the determination of sitagliptin in urine samples. Journal of the Serbian Chemical Society. 80, 10 (Nov. 2015), 1311–1320. DOI:https://doi.org/10.2298/JSC141227046R.