Comparison of a ready-to-use intranasal dexmedetomidine spray with traditional intranasal dexmedetomidine drops for sedation in preschool children: a prospective, randomized, controlled study - Jin, Qi-Qi; Cai, Wei-Cha; Zhou, Ying-Feng; Zhang, Yan-Tong; Chen, Gang; Xu, Meng-Ting; Li, Jun; Yuan, Kai-Ming (Frontiers in Pharmacology, 2025)