TY  - RPRT
TI  - Chronic tension headache--treated with amitriptyline--a double-blind study.
AU  - S Diamond
AU  - B J Baltes
PY  - 1971
DO  - 10.1111/j.1526-4610.1971.hed1103110.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4940167/
ID  - 4940167
ER  -