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Schneid S, Gieseler H  *, Kessler WJ, Luthra SA, Pikal MJ. 2011. Optimization of the Secondary Drying Step in Freeze Drying Using TDLAS Technology. AAPS PharmSciTech 12(1):379-387.

Schneid S, Stärtzel P, Lettner P, Gieseler H  *. 2011. Robustness Testing in Pharmaceutical Freeze-Drying: Interrelation of Process Conditions and Product Quality Attributes Studied for a Vaccine Formulation. Pharm Dev Technol 16(6): 583-90.

Beirowski J, Inghelbrecht S, Arien A, Gieseler H  *. 2011. Freeze-drying of nanosuspensions, 1: Freezing rate versus formulation design as critical factors to preserve the original particle size distribution. J Pharm Sci 100(5):1958-1968.