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| Contact: Fred G Freitag, DO | 773 388 6390 | research@diamondheadache.com |
| Contact: George Nissan, DO | 773 388 6390 | research@diamondheadache.com |
| United States, Illinois | |||||
| Diamond Headache Clinic | Recruiting | ||||
| Chicago, Illinois, United States, 60614 | |||||
| Contact: Nancy Caldwell, RN 773-388-6390 ncaldwell@diamondheadache.com | |||||
| Sub-Investigator: Fred G Freitag, DO | |||||
| Sub-Investigator: George Nissan, DO | |||||
| Sub-Investigator: Merle Diamond, MD | |||||
| Sub-Investigator: George Urban, MD | |||||
| Sub-Investigator: Betsy Pepper, MD | |||||
| Diamond Headache Clinic |
| GlaxoSmithKline |
| Principal Investigator: | Seymour Diamond, MD | Diamond Headache Clinic |