Synthesis of novel polymeric nanoparticles (methoxy-polyethylene glycol-chitosan/hyaluronic acid) containing 7-ethyl-10-hydroxycamptothecin for colon most cancers remedy: in vitro, ex vivo and in vivo investigation  The purpose of the present research was to focus on 7-ethyl-10-hydroxycamptothecin (SN38) orally to colon tumours by synthesizing a concentrating on polymer. To...