TY  - RPRT
TI  - Vitamin A equivalency estimates: understanding apparent differences.
AU  - Machteld van Lieshout
AU  - Saskia de Pee
PY  - 2005
DO  - 10.1093/ajcn/81.4.943
UR  - https://pubmed.ncbi.nlm.nih.gov/15817879/
ID  - 15817879
ER  -