Determination of Heavy Metals and Microbiological Contamination of Frozen Mackerel (Scomber scombrus) Sold in Eke-Awka Market, Awka, Anambra State, Nigeria. FAIC [Internet]. 2023 Mar. 23 [cited 2025 May 21];:202-6. Available from: https://journals.unizik.edu.ng/faic/article/view/1923