Anti-inflammatory sesquiterpene lactones from Onopordum illyricum L. (Asteraceae), an Italian medicinal plant - Formisano, C; Sanna, C; Ballero, M; Chianese, G; Sirignano, C; Rigano, D; Millan, E; Munoz, E; Taglialatela-Scafati, O (Fitoterapia, 2017)