GABY KRESSEL; JANINA WILLERS; HEIKE KOHRS; ANDREA ZIMMERMANN; STEPHAN KLEMENT; ANGELIKA DIENEL; ANDREAS HAHN. Effects of Opuntia ficus-indica flower extract WS 1261 on mental and psychic function in subsyndromal fatigue – A pilot study. International Journal of Phytomedicine, [S. l.], v. 8, n. 4, p. 558–566, 2016. Disponível em: https://ijp.arjournals.org/index.php/ijp/article/view/504. Acesso em: 21 jun. 2024.