Effect of Rotational Speed of Drill Bit on Surface Defects with H&E Stain in Bone Drilling (An Animal Study) Journal title: Majallah-i jarrāḥī-i ustukhvān va mafāṣil-i Īrān Authors: Ehsan Shakouri, Fatemeh Zareh, Ahmad Majd, Hossein Haghigh Hassanali Subject(s):