D. Radhy N. Naproxen Sodium Release from Poly(acrylic acid-co- N-vinyl-2-pyrrolidone) Hydrogels. QJPS [Internet]. 2018Jul.30 [cited 2026Jan.18];21(1):64 -76. Available from: https://www.journalsc.qu.edu.iq.51-77-64-103.cpanel.site/index.php/JOPS/article/view/41