@misc{indiciae349d6ce38c8a, title = {Modulatory interactions between enkephalin and catecholamines: anatomical and physiological substrates.}, author = {M R Palmer and A Seiger and B J Hoffer and L Olson}, year = {1983}, url = {https://pubmed.ncbi.nlm.nih.gov/6136427/}, note = {Source identifier: 6136427} }