SOFIA SHEHZAD; SYED IMRAN SHAH GILLANI; AFAQ FAROOQ; KAMRAN KHAN; MUHAMMAD ASIF; MOHAMMAD SARTAJ. REASONS OF REPEATED RADIOGRAPHS IN A PRIVATE DENTAL TEACHING HOSPITAL: A PREVENTABLE RADIATION HAZARD. Pakistan Oral & Dental Journal, v. 41, n. 3, p. 185-188, 29 Sep. 2021.