Derbalian, GP., Slack, J., Clevinger, BL., Bazin, H., & Davie, JM. (1980). Subclass Restriction of Murine Antibodies .3. Antigens That Stimulate Igg3 in Mice Stimulate Igg2c in Rats. The Journal of Experimental Medicine, 152(1), 209-218. https://doi.org/10.1084/jem.152.1.209 (Original work published 1980)