Wiersma, EJ., Coulie, P., & Heyman, B. (1989). Dual Immunoregulatory Effects of Monoclonal Igg-antibodies - Suppression and Enhancement of the Antibody-response. Scandinavian Journal of Immunology, 29(4), 439-448. https://doi.org/10.1111/j.1365-3083.1989.tb01143.x (Original work published 1989)