Vaerman, JP., Delacroix, D. L., & Moussebois, C. (1982). Non-proteic Immunogenic Impurity in Proteins Purified By Preparative Electrophoresis On Pevikon. Journal of Immunological Methods, 54(1), 95-100. https://doi.org/10.1016/0022-1759(82)90117-X (Original work published 1982)