TY  - GEN
AU  - Nappi G
TI  - Primary Headaches: Clinical Approach And Management 
SN  - 1854631306
AV  - WB 115 
U1  - 616.849'1 
PY  - 1996///
CY  - Great Britian
PB  - Smith-Gordon
KW  - Internal Medicine Medical Practice
ER  -