TY - RPRT TI - Periapical response to dentin filings. A pilot study. AU - R J Oswald AU - C E Friedman PY - 1980 DO - 10.1016/0030-4220(80)90146-2 UR - https://pubmed.ncbi.nlm.nih.gov/6928582/ ID - 6928582 ER -