Synthesis of surface-active cholesterylcontaining copolymers based on poly(maleic anhydride-co-ethyltrioxyethylene methacrylate) - Z. I. Demchuk; O. H. Budishevska; A. S. Voronov; V. B. Vostres; I. T. Tarnavchyk; M. Z. Savka; Yu. Zholobko; S. A. Voronov (Polymer journal, 2015)