TY - RPRT TI - Reasons for apicectomies. A retrospective study. AU - J M el-Swiah AU - R T Walker PY - 1996 DO - 10.1111/j.1600-9657.1996.tb00512.x UR - https://pubmed.ncbi.nlm.nih.gov/9028182/ ID - 9028182 ER -