TY  - RPRT
TI  - Headache in hypertension.
AU  - R F Grenfell
PY  - 1966
DO  - 10.1111/j.1526-4610.1966.hed0603137.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5331347/
ID  - 5331347
ER  -