TY - RPRT TI - Morphine presynaptically inhibits a ganglionic cholinergic synapse. AU - J C Bornstein AU - H L Fields PY - 1979 DO - 10.1016/0304-3940(79)91532-5 UR - https://pubmed.ncbi.nlm.nih.gov/231236/ ID - 231236 ER -