TY - RPRT TI - Tracing axons and axon collaterals of spinal neurons using intracellular injection of horseradish peroxidase. AU - P J Snow AU - P K Rose AU - A G Brown PY - 1976 DO - 10.1126/science.54936 UR - https://pubmed.ncbi.nlm.nih.gov/54936/ ID - 54936 ER -