Microspherical Particles of Solid Dispersion of Polyvinylpyrrolidone K29-32 for Inhalation Administration

<div>Powder X-ray diffractograms of PVP K29-32, PHE, their physical mixtures of different compositions (a), and same mixtures after melting (b).</div>

BioMed Research International

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Figure 4

Figure 4: Microspherical Particles of Solid Dispersion of Polyvinylpyrrolidone K29-32 for Inhalation Administration 