TY - RPRT TI - A double-labeling method for AChE and fluorescent retrograde tracers. AU - M Ennis AU - M T Shipley AU - M M Behbehani PY - 1990 DO - 10.1016/0361-9230(90)90294-a UR - https://pubmed.ncbi.nlm.nih.gov/2310939/ ID - 2310939 ER -