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Novel in situ gelling ophthalmic drug delivery system based on gellan gum and hydroxyethylcellulose: Innovative rheological characterization, in vitro and in vivo evidence of a sustained precorneal retention time

Biopolymer GelGellan GumVitreous BodyOphthalmologyTopical DrugVivo EvidenceDrug Delivery SystemsInnovative Rheological CharacterizationBiomedical EngineeringMedicine