TY - RPRT TI - Comparison of two-surface and multiple-surface scoring methodologies for in vitro microleakage studies. AU - J Mixson AU - J D Eick AU - R P Chappell AU - D E Tira AU - D L Moore PY - 1991 DO - 10.1016/0109-5641(91)90042-w UR - https://pubmed.ncbi.nlm.nih.gov/1813342/ ID - 1813342 ER -