Purified Dry Extract of<i>Paullinia cupana</i>(Guaraná) (PC-18) for Chemotherapy-Related Fatigue in Patients with Solid Tumors: An Early Discontinuation StudyAdriana Braz del Giglio, Daniel de Iracema Gomes Cubero, Tatiana Goberstein Lerner et al.|Journal of Dietary Supplements|2013Cited by 42