bibliographic entry 8193213 [be/8193213]
https://w3id.org/oc/corpus/be/8193213

is a

• bibliographic reference

content

• Etgen, T, Sander, D, Bickel, H, Sander, K, Forstl, H. Vitamin D deficiency, cognitive impairment and dementia: a systematic review and meta-analysis. Dement Geriatr Cogn Disord 2012; 33: 297-305; PMID:22759681; http://dx.doi.org/ DOI: 10.1159/000339702 PMID: 22759681

references

• https://w3id.org/oc/corpus/br/1647661