Esan, O., J. . Abiola, V. . Aliyu, C. . Egbuejeh, and T. . Adewuni. “Immunostimulating Potentials of Methanolic Extract of <i>Plectranthus parviflorus</i> In Chickens Vaccinated Against Newcastle Disease and Infectious Bursal Disease”. Sokoto Journal of Veterinary Sciences, vol. 21, no. 4, Feb. 2024, pp. 208-15, doi:10.4314/sokjvs.v21i4.6.