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Least square mean concentrations (± 95% confidence intervals) of SHBG and estradiol in maternal serum by ASD/PNMS exposure status: ASD-/PNMS-, ASD-/PNMS+, ASD+/PNMS-, ASD+/PNMS+. Least square mean steroid-related biomarker concentrations sharing a letter are significantly different following Scheffé adjustment for multiple comparisons.
