title: The influence of caffeine on the sodium efflux in barnacle muscle fibers.
mesh_terms: D000818:Animals; D001692:Biological Transport / Q000187:drug effects; D002110:Caffeine / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D009132:Muscles / Q000378:metabolism*; D012623:Seawater; D012964:Sodium / Q000378:metabolism*; D012975:Sodium Isotopes; D001468:Thoracica / Q000502:physiology*
chemical_list: D012975:Sodium Isotopes; D002110:Caffeine; D012964:Sodium; D002118:Calcium