Michael A. Huffman, Richard W. Wrangham, "Diversity of Medicinal Plant Use by Chimpanzees in the Wild" in Richard W. Wrangham et al., edd., Chimpanzee Cultures (Cantabrigiae Massachusettensium: Harvard University Press, 1994) pp. 129-148
Md. Ahad Ali Khan, Md. Torequl Islam, Samir Kumar Sadhu, "Evaluation of phytochemical and antimicrobial properties of Commelina diffusa Burm. f." in Oriental Pharmacy and Experimental Medicine vol. 11 (2011) pp. 235–241