Udo PJ. Investigation of the Biochemical Composition of Heterobranchus longifilis, Clarias gariepinus and Chrysichthys nigrodigitatus of the Cross River, Nigeria. Pak. J. Nutr. [Internet]. 2012 Sep. 15 [cited 2025 Aug. 18];11(10):963–966. Available from: https://pjnonline.org/pjn/article/view/1722