TY  - RPRT
TI  - Headache in general practice.
AU  - H J Fardy
AU  - M Harris
PY  - 1993
DO  - 10.5694/j.1326-5377.1993.tb137703.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8316113/
ID  - 8316113
ER  -