Adimoelja, A., and P. Ganeshan Adaikan. "Protodioscin from herbal plant Tribulus terrestris L improves the male sexual functions, probably via DHEA." Int J Impot Res 9.supp 1 (1997): S1-S70. Akhtari, Elham, et al. "Tribulus terrestris for treatment of sexual dysfunction in women: randomized double-blind placebo-controlled study." DARU Journal of Pharmaceutical Sciences 22.1 (2014): 40. de Souza, Karla Zanolla Dias, Fabiene Bernardes Castro Vale, and Selmo Geber. "Efficacy of Tribulus terrestris for the treatment of hypoactive sexual desire disorder in postmenopausal women: a randomized, double-blinded, placebo-controlled trial." Menopause 23.11 (2016): 1252-1256.