TY  - RPRT
TI  - Calcium absorption from kale.
AU  - R P Heaney
AU  - C M Weaver
PY  - 1990
DO  - 10.1093/ajcn/51.4.656
UR  - https://pubmed.ncbi.nlm.nih.gov/2321572/
ID  - 2321572
ER  -