TY  - RPRT
TI  - The "trap" headache.
AU  - J BOSTOCK
PY  - 1951
DO  - 10.5694/j.1326-5377.1951.tb55485.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14805621/
ID  - 14805621
ER  -