title: Effect of levorphanol on putrescine transport in Escherichia coli.
mesh_terms: D000255:Adenosine Triphosphate; D000596:Amino Acids / Q000378:metabolism; D001692:Biological Transport; D002082:Butylamines / Q000378:metabolism*; D002247:Carbon Isotopes; D002462:Cell Membrane / Q000187:drug effects; D003080:Cold Temperature
chemical_list: D000596:Amino Acids; D002082:Butylamines; D002247:Carbon Isotopes; D000255:Adenosine Triphosphate