TY  - RPRT
TI  - Caffeine as a risk factor for chronic daily headache: a population-based study.
AU  - Ann I Scher
AU  - Walter F Stewart
AU  - Richard B Lipton
PY  - 2004
DO  - 10.1212/01.wnl.0000145760.37852.ed
UR  - https://pubmed.ncbi.nlm.nih.gov/15596744/
ID  - 15596744
ER  -