Primary study · included by 1 review
Serum levels of 25‐hydroxyvitamin D, oral health and chronic obstructive pulmonary disease
Zhou 2012 · Zhou Xuan, Han Jing, Song Yiqing, et al. · Journal of Clinical Periodontology · 2012
Included by
The review does not say which of its outcomes this study informs.
1 including review in total.