How do you classify iron, zinc, iodine, and vitamin A deficiencies in adolescent based on serum iron, serum zinc, and serum vitamin A cut-offs?

Dear Researchers, Please, I want to know or have access to articles that could help me in classifying adolescents into varying levels of deficiency/sufficiency of iron, zinc, iodine, and vitamin A...

19 August 2023 2,129 2 View