TY  - BOOK
AU  -  Ryan Robert E.
TI  - Headache: diagnosis and treatment
U1  - WL344 
PY  - 1957///
CY  - St. Louis
PB  - C. V. Mosby
KW  - Headache Disorders
KW  - Headache
N2  -  Headache, Headache Disorders
ER  -