Human plasma-derived immunoglobulin G fractionated by an aqueous two-phase system, caprylic acid precipitation, and membrane chromatography has a high purity level and is free of detectable in vitro thrombogenic activity

M. Vargas, A. Segura, Y. W. Wu, M. Herrera, M. L. Chou, M. Villalta, G. León, T. Burnouf