TY - RPRT TI - False negative tests with epoxy resin. AU - P Behrbohm AU - A Nehring AU - P Nehring PY - 1975 DO - 10.1111/j.1600-0536.1975.tb05427.x UR - https://pubmed.ncbi.nlm.nih.gov/1235272/ ID - 1235272 ER -