@misc{indiciae3ac44eae4059, title = {Vitamin D: can an upper limit be defined?}, author = {R W Chesney}, year = {1989}, doi = {10.1093/jn/119.12\_suppl.1825}, url = {https://pubmed.ncbi.nlm.nih.gov/2693642/}, note = {Source identifier: 2693642} }