Avelino da Silva, Janilson, de Carvalho da Costa, Maria José, Rodrigues da Alves, Maria da Conceição, Fernandes da Braga, João Euclides, Bezerra Luna da Lima, Caliandra Maria, AND de Morais da Pordeus, Liana Clébia. "Effects of the single supplementation and multiple doses of Passiflora incarnata L. on human anxiety: A Clinical Trial, Double-blind, Placebo-controlled, Randomized" International Archives of Medicine [Online], Volume 10(24 January 2017)