@misc{indiciae2089fb9822f2, title = {Zinc as an unrecognized limiting nutrient.}, author = {R P Abernathy and S J Ritchey}, year = {1973}, doi = {10.1093/ajcn/26.8.791}, url = {https://pubmed.ncbi.nlm.nih.gov/4720666/}, note = {Source identifier: 4720666} }