TY - BOOK AU - SHAHI, RAVI SAGAR SINGH TI - A COMPARATIVE STUDY ON THE EFFICACY OF GINIGVAL RETRACTION USING CONVENTIONAL RETRACTION CORD POLYVINYL ACETATE STRIPS AND ALUMINIUM CHLORIDE PASTE RETRACTION SYSTEM AN -IN VIVO STUDY U1 - 617.692 PY - 2021/// CY - SGTU KW - PROSTHODONTICS ER -