TY - RPRT TI - Notes on a light and electron microscopic double-labeling method combining anterograde tracing with Phaseolus vulgaris leucoagglutinin and retrograde tracing with cholera toxin subunit B. AU - K Bruce AU - I Grofova DO - 10.1016/0165-0270(92)90040-k UR - https://pubmed.ncbi.nlm.nih.gov/1283431/ ID - 1283431 ER -