Ogbulie, J.N. and Okpokwasili, G.C., 1999. Haematological and histological responses of Clarias gariepinus and Heterobranchus bidorsalis to some bacterial diseases in River State, Nigeria. Journal of the National Science Foundation of Sri Lanka, 27(1), pp.1–16. DOI: http://doi.org/10.4038/jnsfsr.v27i1.2973

Ogbulie JN, Okpokwasili GC. Haematological and histological responses of Clarias gariepinus and Heterobranchus bidorsalis to some bacterial diseases in River State, Nigeria. Journal of the National Science Foundation of Sri Lanka. 1999;27(1):1–6. DOI: http://doi.org/10.4038/jnsfsr.v27i1.2973

Ogbulie, J. N., & Okpokwasili, G. C. (1999). Haematological and histological responses of Clarias gariepinus and Heterobranchus bidorsalis to some bacterial diseases in River State, Nigeria. Journal of the National Science Foundation of Sri Lanka, 27(1), 1–16. DOI: http://doi.org/10.4038/jnsfsr.v27i1.2973

Ogbulie JN and Okpokwasili GC, ‘Haematological and Histological Responses of Clarias Gariepinus and Heterobranchus Bidorsalis to Some Bacterial Diseases in River State, Nigeria’ (1999) 27 Journal of the National Science Foundation of Sri Lanka 1 DOI: http://doi.org/10.4038/jnsfsr.v27i1.2973

Ogbulie, J.N., and G.C. Okpokwasili. 1999. “Haematological and Histological Responses of Clarias Gariepinus and Heterobranchus Bidorsalis to Some Bacterial Diseases in River State, Nigeria”. Journal of the National Science Foundation of Sri Lanka 27 (1): 1–16. DOI: http://doi.org/10.4038/jnsfsr.v27i1.2973

Ogbulie, J.N., and G.C. Okpokwasili. “Haematological and Histological Responses of Clarias Gariepinus and Heterobranchus Bidorsalis to Some Bacterial Diseases in River State, Nigeria”. Journal of the National Science Foundation of Sri Lanka 27, no. 1 (1999): 1–16. DOI: http://doi.org/10.4038/jnsfsr.v27i1.2973

Ogbulie, J. N.and G. C. Okpokwasili. “Haematological and Histological Responses of Clarias Gariepinus and Heterobranchus Bidorsalis to Some Bacterial Diseases in River State, Nigeria”. Journal of the National Science Foundation of Sri Lanka, vol. 27, no. 1, 1999, pp. 1–6. DOI: http://doi.org/10.4038/jnsfsr.v27i1.2973