TY - RPRT TI - Morphine and related compounds: evidence that they decrease available neurotransmitter in Aplysia californica. AU - J P Tremblay AU - W T Schlapfer AU - P B Woodson AU - S H Barondes PY - 1974 DO - 10.1016/0006-8993(74)90481-8 UR - https://pubmed.ncbi.nlm.nih.gov/4373124/ ID - 4373124 ER -