@misc{indiciae647494094081, title = {Correlations between active zone ultrastructure and synaptic function studied with freeze-fracture of physiologically identified neuromuscular junctions.}, author = {J W Propst and C P Ko}, year = {1987}, url = {https://pubmed.ncbi.nlm.nih.gov/3500282/}, note = {Source identifier: 3500282} }