Results 191 to 199 of about 6,249,557 (199)

Prevalence and correlates of vitamin D deficiency in a mixed-age hospital-based cohort. [PDF]

Front Public Health
Zhou Z, Chen S, Yang F.
europepmc   +1 more source

Comparison of craniofacial skeletal morphology in pediatric obstructive sleep apnea-hypopnea syndrome patients with class II and class III malocclusions: a retrospective cross-sectional study. [PDF]

Front Pediatr
Deng L, Song H.
europepmc   +1 more source