Preconcentration and determination of Metformine Hydrochloride in different samples by cloud point extraction coupling with uv-visible spectrophotometry. Baghdad Sci.J [Internet]. 2016 Jun. 5 [cited 2024 May 2];13(2.2NCC):0470. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2792