In vitro comparative quality assessment of different brands of Diclofenac Sodium tablets marketed in Taiz City, Yemen - Al-Selwi, Nader Abdulaziz; Mohammed, Maher Ibrahim; Hasan, Husain Numan; Mohammed, Mohammed Abdulraqeb; Taleb, Emad Nawfal; Al-Najri, Ali Hammoud; Al-Mawrish, Mohammed Yaser (University of Science and Technology, Sana’a, 2026)