TY  - RPRT
TI  - Psychogenic headache.
AU  - A D Weatherhead
PY  - 1980
DO  - 10.1111/j.1526-4610.1980.hed2001047.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7356599/
ID  - 7356599
ER  -