Sonibare, M. A., and Z. O. Gbile. “ETHNOBOTANICAL SURVEY OF ANTI-ASTHMATIC PLANTS IN SOUTH WESTERN NIGERIA”. African Journal of Traditional, Complementary and Alternative Medicines, vol. 5, no. 4, May 2008, pp. 340-5, https://athmsi.org/journals/index.php/ajtcam/article/view/437.