Pectin–Alginate Based Gastroretentive In-Situ Floating Gel Co-loaded with Famotidine Hydrochloride and Aceclofenac: Optimization, In-Vitro Release, and Ex-Vivo Gastric Retention Study - Kiran Dudhat; Dhruv Vaghasiya; Krupali Bhalala (Journal of Pharmaceutical Innovation, 2027)