Fig. 1From: Is there an association between vitamin D deficiency and adenotonsillar hypertrophy in children with sleep-disordered breathing?Comparisons of frequencies of adenoid and/or tonsillar hypertrophy by serum 25(OH)D level. Vitamin D-deficient: 25(OH)D < 20 ng/mL; vitamin D-sufficient: 25(OH)D ≥ 20 ng/mLBack to article page
