TY  - RPRT
TI  - Prophylactic vitamin D in the elderly.
AU  - K R Johnson
AU  - J Jobber
AU  - B J Stonawski
PY  - 1980
DO  - 10.1093/ageing/9.2.121
UR  - https://pubmed.ncbi.nlm.nih.gov/7395656/
ID  - 7395656
ER  -