TY  - GEN
AU  - Gallagher,R M
TI  - Headache diagnosis and treatment
SN  - 1041-2972
PY  - 1991///0501
KW  - Headache
KW  - classification
KW  - Humans
KW  - Vascular Headaches
N1  - Publication Type: Journal Article; Review
UR  - https://doi.org/10.1111/j.1745-7599.1991.tb01052.x
ER  -