Comparing freeze drying and spray drying of interleukins using model protein CXCL8 and its variants. - Fiedler D; Hartl S; Gerlza T; Trojacher C; Kungl A; Khinast J; Roblegg E (European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 2021)