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• Okoduwa.Stanley Effect of Folic Acid and Vitamin-C Administration on Paraoxonase and Arylesterase -1 Activities in Rats intoxicated with Lead [ Vol.11, Issue 0 - Winter Year 2021]
• Oladzadabbasabadi.Nazila Fabrication of Cassava Starch/Mentha piperita Essential Oil Biodegradable Film with Enhanced Antibacterial Properties [ Vol.11, Issue 1 - Winter Year 2021]
• Omeragic.Elma Heavy Metals in Commercial Food for Infants and Small Children Origin from the Sarajevo Market [ Vol.11, Issue 3 - Summer Year 2021]
• Onyike.Elewechi Effect of Folic Acid and Vitamin-C Administration on Paraoxonase and Arylesterase -1 Activities in Rats intoxicated with Lead [ Vol.11, Issue 0 - Winter Year 2021]
• Opara.Alexander Ecological Risk Assessment and Pollution Models of Trace Metal Concentrations in Road Dust in parts of Enugu, Southeastern Nigeria [ Vol.11, Issue 2 - Spring Year 2021]
• Oubenali.Mustapha Analysis of the Chemical Reactivity of Limonene by the Functional Density Theory Method Using Global Descriptors [ Vol.11, Issue 2 - Spring Year 2021]