1. Dental infection producing severe chronic headache simulating brain tumor;Bierman;Calif Med,1962
2. Studies on headache: The mechanisms and significance of the headache associated with brain tumor;Kunkle;Bull NY Acad Med,1942
3. Some observations on headache;Northfield;Brain,1938
4. Dural headache and innervation of the dura mater;Penfield;Arch Neurol (Chicago),1940
5. Experimental studies on headache: Pain-sensitive structures of the head and their significance in headache;Ray;Arch Surg (Chicago),1940