Serum carbon and nitrogen stable isotopes as potential biomarkers of dietary intake and their relation with incident type 2 diabetes: the EPIC-Norfolk study.
Patel PS, Cooper AJ, O'Connell TC, Kuhnle GG, Kneale CK, Mulligan AM, Luben RN, Brage S, Khaw KT, Wareham NJ, and Forouhi NG
The American Journal of Clinical Nutrition. Jul 2014
(DOI : 10.3945/ajcn.113.068577)