Pharmaceutical Innovation in Salivary Biomarker Research: Transforming Oral Healthcare through Nanotechnology and Point-of-Care Systems: A Narrative Review - Akram N. Salah; Ahmed E. Elesawy; Mohamed Bakr Zaki; Ahmed I. Abulsoud; Gharieb S. El-Sayyad; Wagiha S. Elkalla; Nehal I. Rizk; Osama A. Mohammed; Hend H. Mohamed; Nourhan H. Elshami; Asmaa A. Ibrahim; Salma W. Elsayed; et al. (Journal of Pharmaceutical Innovation, 2026)