Dahlback, M., Pauwels, R., Bazin, H., & Bergstrand, H. (1982). Relation Between Bronchial Reactivity To Antigen Invivo and Serum Ige and Igg2a Antibody-levels in Rats. Allergy, 37(8), 569-580. https://doi.org/10.1111/j.1398-9995.1982.tb02342.x (Original work published 1982)