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pXRD patterns of (a) Physical mixtures of crystalline ketoprofen and polymers, (b) Melt-quenched and cryo-milled POLYMERKETO. 1. Crystalline ketoprofen, 2. PVP90KETO, 3. PVP30KETO, 4. PVP17KETO, 5. VP:VA 7:3KETO, 6. VP:VA 3:7KETO, 7. PVAcetateKETO, 8. PVAlcoholKETO, 9. PVAPKETO.
