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Genome-wide association reveals that common genetic variation in the kallikrein-kinin system is associated with serum L-arginine levels.
Zhang W, Jernerén F, Lehne BC, Chen MH, Luben RN, Johnston C, Elshorbagy A, Eppinga RN, Scott WR, Adeyeye E, Scott J, Böger RH, Khaw KT, van der Harst P, Wareham NJ, Vasan RS, Chambers JC, Refsum H, Kooner JS. Zhang W, et al. Among authors: johnston c. Thromb Haemost. 2016 Nov 30;116(6):1041-1049. doi: 10.1160/TH16-02-0151. Epub 2016 Sep 22. Thromb Haemost. 2016. PMID: 27656708 Free PMC article.
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
Associations of folate, vitamin B12, homocysteine, and folate-pathway polymorphisms with prostate-specific antigen velocity in men with localized prostate cancer.
Collin SM, Metcalfe C, Refsum H, Lewis SJ, Smith GD, Cox A, Davis M, Marsden G, Johnston C, Lane JA, Donovan JL, Neal DE, Hamdy FC, Smith AD, Martin RM. Collin SM, et al. Among authors: johnston c. Cancer Epidemiol Biomarkers Prev. 2010 Nov;19(11):2833-8. doi: 10.1158/1055-9965.EPI-10-0582. Epub 2010 Sep 17. Cancer Epidemiol Biomarkers Prev. 2010. PMID: 20852008
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
3,330 results