TY - RPRT TI - A double-label pre-embedding immunoperoxidase technique for electron microscopy using diaminobenzidine and tetramethylbenzidine as markers. AU - R B Norgren AU - M N Lehman PY - 1989 DO - 10.1177/37.8.2666511 UR - https://pubmed.ncbi.nlm.nih.gov/2666511/ ID - 2666511 ER -