Ajala, Olusegun S., and Oluwatobiloba Fajolu. “Ethanol Extract of Celery (Apium Graviolense) Dissolved Bilirubin Gallstones in Vitro”. West African Journal of Pharmacy, vol. 31, no. 1, Dec. 2023, pp. 25 – 34, https://doi.org/10.60787/wapcp-31-1-185.