Nastić Nataša; Segura-Carretero Antonio; Borrás-Linares Isabel; Lozano-Sánchez Jesús; Pastor Kristian A.; Švarc-Gajić Jaroslava: HPLC-ESI-TOF-MS chemical characterization of comfrey root extract obtained by subcritical water extraction.
Nastić Nataša; Švarc-Gajić Jaroslava; Segura-Carretero Antonio; Borrás-Linares Isabel; Lozano-Sánchez Jesús: Identification of bioactive compounds in comfrey root extracts.