TY  - RPRT
TI  - Tension headache, a psychiatric study.
AU  - M J Martin
PY  - 1966
DO  - 10.1111/j.1526-4610.1966.hed0602047.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4380239/
ID  - 4380239
ER  -