TY  - RPRT
TI  - Tension-type headache: classification and diagnosis.
AU  - Marcelo E Bigal
AU  - Richard B Lipton
PY  - 2005
DO  - 10.1007/s11916-005-0022-7
UR  - https://pubmed.ncbi.nlm.nih.gov/16282043/
ID  - 16282043
ER  -