TY  - GEN
AU  - Kodicek,E
AU  - Lawson,D E
AU  - Wilson,P W
TI  - Biological activity of a polar metabolite of vitamin D
SN  - 0028-0836
PY  - 1970///1209
KW  - Animals
KW  - Biological Assay
KW  - Calcium
KW  - metabolism
KW  - Calcium Isotopes
KW  - Carbon Isotopes
KW  - Chickens
KW  - Cholecalciferol
KW  - blood
KW  - Intestinal Absorption
KW  - Tritium
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1038/228763a0
ER  -