TY  - RPRT
TI  - How much vitamin D3 do the elderly need?
AU  - Heli T Viljakainen
AU  - Anette Palssa
AU  - Merja Kärkkäinen
AU  - Jette Jakobsen
AU  - Christel Lamberg-Allardt
PY  - 2006
DO  - 10.1080/07315724.2006.10719556
UR  - https://pubmed.ncbi.nlm.nih.gov/17031013/
ID  - 17031013
ER  -