TY  - RPRT
TI  - Vitamin D: can an upper limit be defined?
AU  - R W Chesney
PY  - 1989
DO  - 10.1093/jn/119.12_suppl.1825
UR  - https://pubmed.ncbi.nlm.nih.gov/2693642/
ID  - 2693642
ER  -