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Decreased Phalangeal BMD in WS vs Gender-matched Siblings. Phalangeal bone mineral density by age in WS females (X), sibling females (O), WS males (Δ), and sibling males (+). Model was fit using age (p<0.0001), age2 (p<0.0001), age3 (p<0.0001), gender (p=0.06), and WS (p<0.0001).
