Moslen, M.; Ekweozor, I. K. E.; Ogbuehi, K. A. Assessment of Heavy Metals (Zn, Pb, Cr and Cd) Levels in the Gill, Intestine and Flesh of Oreocromis Niloticus and Liza Grandisquamis Obtained from Azuabie and Okujagu-Ama Creeks in the Niger Delta, Nigeria. TDigest 2024, 2 (1), 113 – 123.