A clinical trial of the effect of St. John’s wort on migraine headaches in patients receiving sodium valproate
Mahmoud Gh. Mirzaei1, Robert D. E. Sewell2, Soleiman Kheiri1 and
Mahmoud Rafieian-Kopaei1*
1Shahrekord University of Medical Sciences, Medical Plants Research Center, Shahrekord, Iran.
2Welsh School of Pharmacy, Cardiff University, King Edward VII Ave., Cardiff CF10 3NB, U. K.
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