TY  - RPRT
TI  - Tension-type headaches.
AU  - S D Silberstein
PY  - 1994
DO  - 10.1111/j.1526-4610.1994.hed3408s2.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7960725/
ID  - 7960725
ER  -