DOUBLE-BLIND CLINICAL EVALUATION OF THE EFFICACY AND SAFETY OF ERGOSTINE-CAFFEINE, ERGOTAMINE-CAFFEINE, AND PLACEBO IN MIGRAINE HEADACHE

Authors

  • ROBERT E. RYAN M.D., M.S., B.S.

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    • *Associate Clinical Professor, Department Otolaryngology, St. Louis University School of Medicine, St. Louis, Missouri.


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