TY - RPRT TI - Retreatment using a modified-tip instrument. AU - E V Fachin AU - C S Wenckus AU - C E Aun PY - 1995 DO - 10.1016/s0099-2399(06)80830-7 UR - https://pubmed.ncbi.nlm.nih.gov/7595158/ ID - 7595158 ER -