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Screening for vitamin B-12 and folate deficiency in older persons.
Clarke R, Refsum H, Birks J, Evans JG, Johnston C, Sherliker P, Ueland PM, Schneede J, McPartlin J, Nexo E, Scott JM. Clarke R, et al. Among authors: johnston c. Am J Clin Nutr. 2003 May;77(5):1241-7. doi: 10.1093/ajcn/77.5.1241. Am J Clin Nutr. 2003. PMID: 12716678
Vitamin B12 and folate deficiency in later life.
Clarke R, Grimley Evans J, Schneede J, Nexo E, Bates C, Fletcher A, Prentice A, Johnston C, Ueland PM, Refsum H, Sherliker P, Birks J, Whitlock G, Breeze E, Scott JM. Clarke R, et al. Among authors: johnston c. Age Ageing. 2004 Jan;33(1):34-41. doi: 10.1093/ageing/afg109. Age Ageing. 2004. PMID: 14695861
Plasma vitamin B12 status and cerebral white-matter lesions.
de Lau LM, Smith AD, Refsum H, Johnston C, Breteler MM. de Lau LM, et al. Among authors: johnston c. J Neurol Neurosurg Psychiatry. 2009 Feb;80(2):149-57. doi: 10.1136/jnnp.2008.149286. Epub 2008 Oct 31. J Neurol Neurosurg Psychiatry. 2009. PMID: 18977824
3,382 results