@misc{indiciaeb08f148ed228, title = {Morphine and related compounds: evidence that they decrease available neurotransmitter in Aplysia californica.}, author = {J P Tremblay and W T Schlapfer and P B Woodson and S H Barondes}, year = {1974}, doi = {10.1016/0006-8993(74)90481-8}, url = {https://pubmed.ncbi.nlm.nih.gov/4373124/}, note = {Source identifier: 4373124} }