TY  - RPRT
TI  - Calcium, parathyroid function, bone and aging.
AU  - R P Heaney
PY  - 1996
DO  - 10.1210/jcem.81.5.8626818
UR  - https://pubmed.ncbi.nlm.nih.gov/8626818/
ID  - 8626818
ER  -