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Stage-by-stage deposition profiles of isoniazid (blue) and rifabutin (red) inside the Andersen cascade impactor after aerosolisation of chondroitin sulphate (ChS) microparticles (MPs) with RS01 high resistance inhaler operated at 60 L/min (values are mean ± SD, n = 3). Grey boxes in the x-axis represent p < 0.05 comparing the same stage between the two formulations. IP: induction port; St: stage.
