@misc{indiciae56866a645bd3, title = {Stable isotope methods for nutritional investigation.}, author = {D E Matthews and D M Bier}, year = {1983}, doi = {10.1146/annurev.nu.03.070183.001521}, url = {https://pubmed.ncbi.nlm.nih.gov/6357239/}, note = {Source identifier: 6357239} }