(原始内容存档于2020-12-11). Bjornson, Candice; Russell, Kelly; Vandermeer, Ben; Klassen, Terry P.; Johnson, David W. Nebulized epinephrine for croup in children
2014-12-15 [2024-07-13]. ISBN 9781107098466. (原始内容存档于2024-07-13) (英语). Sarah Klassen; et al. Diachronic modeling of the population within the medieval Greater