Wahid, Umair Efiicacy of Lidocaine and Xylometazoline Intranasal spray in Anesthetizing Maxillary teeth : an open label randomized controlled trial / by Umair Wahid ; supervised by Farah Naz - Karachi 2021 ISBN: 9789696850977 Subjects--Topical Terms: Masters in Dental surgeryOperative Dentistry