TY  - RPRT
TI  - Prophylactic vitamin D supplementation.
AU  - Ali S Calikoglu
AU  - Marsha L Davenport
PY  - 2003
DO  - 10.1159/000072779
UR  - https://pubmed.ncbi.nlm.nih.gov/12964435/
ID  - 12964435
ER  -