Aiyegoro, O. A., A. J. Afolayan, and A. I. Okoh. “IN VITRO EVALUATION OF THE INTERACTIONS BETWEEN CRUDE LEAF EXTRACTS OF HELICHRYSUM PEDUNCULATUM AND SOME ANTIBIOTICS”. African Journal of Traditional, Complementary and Alternative Medicines, vol. 6, May 2009, p. 408, https://athmsi.org/journals/index.php/ajtcam/article/view/801.