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Piñón-Segundo E, Ganem-Quintanar A, Rafael Garibay-Bermúdez J, Juan Escobar-Chávez J, López-Cervantes M, Quintanar-Guerrero D.Piñón-Segundo E, et al.Pharm Dev Technol. 2006;11(4):493-501. doi: 10.1080/10837450600940824.Pharm Dev Technol. 2006.PMID: 17101520