@misc{indiciae1a1c12908956, title = {Vitamins may have different effects at different intakes.}, author = {H S Kahn and C W Heath}, year = {1997}, doi = {10.1093/ajcn/65.2.577}, url = {https://pubmed.ncbi.nlm.nih.gov/9022551/}, note = {Source identifier: 9022551} }