作者: Albert W. Massey

Early childhood, beginning in infancy, is a period of profound advances in reasoning, language acquisition, and problem solving, and importantly, a child’s environment can dramatically influence the …

Dioxins are a group of structurally and chemically related polyhalogenated aromatic hydrocarbons which includes polychlorinated dibenzo-p-dioxins (PCDDs or dioxins), dibenzofurans (PCDFs or furans) a …