
Keywords: ∑, sum; ↑, positive association; ↔, no association; ↓, inverse association; 2,4-DCP, 2,4-dichlorophenol; 2,5-DCP, 2,5-dichlorophenol; 3,4-DHB, 3,4-dihydroxybenzoic acid; β-HCH, β-hexachlorocyclohexane; AAP, American Academy of Pediatrics; ACOG, American C