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Improved nasal absorption of drugs using poly-l-arginine: effects of concentration and molecular weight of poly-l-arginine on the nasal absorption of fluorescein isothiocyanate–dextran in rats

AllergyPharmacological StudyMedicineFluorescein Isothiocyanate–dextranExperimental PharmacologyPharmacotherapyMolecular WeightPharmacologyNasal AbsorptionDrug Analysis