1. Benign exertional headache;Rooke;Med Clin North Am,1968
2. Harrison's Principles of Internal Medicine;Thorn,1977
3. Mechanisms of headache;Dalessio;Med Clin North Am,1978
4. Cerebrovascular aspects of headache;Appenzeller;Med Clin North Am,1978
5. Headache associated with metabolic and systemic disorders;Hatfield;Med Clin North Am,1978