TY  - RPRT
TI  - Variability of calcium absorption.
AU  - R P Heaney
AU  - R R Recker
AU  - S M Hinders
PY  - 1988
DO  - 10.1093/ajcn/47.2.262
UR  - https://pubmed.ncbi.nlm.nih.gov/3341257/
ID  - 3341257
ER  -