Cytotoxicity of extracts and compounds isolated from Croton echioides in animal tumor cell (HTC). - Vendruscolo I; Venturella SRT; Bressiani PA; Marco IG; Novello CR; Almeida IV; Vicentini VEP; Mello JCP; Düsman E (Brazilian journal of biology = Revista brasleira de biologia, 2022)