29. Bettucci D, Testa L, Calzoni S. Combination of tizanidine and amitripty-line in the prophylaxis of chronic tension-type headache: evaluation ofefficacy and impact on quality of life. Headache Pain ...

Pharmacists across Canada say drug shortages are affecting patients and will likely continue to do so, despite assurances from manufacturers that they are trying to increase supplies. “There is a ...