title: Automatic continuous variation of solute concentration in a perfusate.
mesh_terms: D000818:Animals; D004175:Diptera / Q000187:drug effects; D010477:Perfusion / Q000295:instrumentation / Q000379:methods*; D012469:Salivary Glands / Q000187:drug effects; D012701:Serotonin / Q000494:pharmacology; D012996:Solutions; D013997:Time Factors
chemical_list: D012996:Solutions; D012701:Serotonin