bibliographic entry 11935791 [be/11935791]
https://w3id.org/oc/corpus/be/11935791

is a

• bibliographic reference

content

• Llewellyn, D. J, Langa, K. M, Lang, I. A. Serum 25-hydroxyvitamin D concentration and cognitive impairment, Journal of Geriatric Psychiatry and Neurology, 2009, 22, 3, 188, 195, DOI: 10.1177/0891988708327888, 2-s2.0-67650879758, PMID: 19073839

references

• https://w3id.org/oc/corpus/br/1716408