The Effects of Dexmedetomidine Alone and in Combination with Tramadol or Amitriptyline in a Neuropathic Pain Model. Research Authors Hanan S.M. Farghaly, Rasha B. Abdellatief, Marie Z. Moftah, Mostafa G. Mostafa, Eman M. Khedr, and Hassan I. Kotb. Research Journal Pain Physician 2014 Research Rank 1 Research Vol 2014; 17:187-195 Research Year 2014