The role of environmental waters ionic composition and UV–LED radiation on photodegradation, mineralization and toxicity of commonly used β-blockers Autori: M. Uzelac, S.J. Armaković, S. Armaković, Dragana Četojević-Simin, J. Agbaba, N. Banić Časopis: Journal of Molecular Structure DOI: 10.1016/j.molstruc.2021.131579