Kriangkrai, Worawut, Piyawat Kittiwatthanakul, Settawut Tassanapak, and Srisagul Sungthongjeen. 2026. “Design and evaluation of bilayer sildenafil sublingual tablets combining fast-dispersible and mucoadhesive layers”. Science, Engineering and Health Studies 20 (September):26050016. https://doi.org/10.69598/sehs.20.26050016.