Hawken, S., Kwong, J. C., Deeks, S. L., Crowcroft, N. S., Ducharme, R., Manuel, D. G., & Wilson, K. (2013). Association between Birth Order and Emergency Room Visits and Acute Hospital Admissions following Pediatric Vaccination: A Self-Controlled Study. Public Library of Science.

Hawken, Steven, Jeffrey C. Kwong, Shelley L. Deeks, Natasha S. Crowcroft, Robin Ducharme, Douglas G. Manuel, and Kumanan Wilson. Association between Birth Order and Emergency Room Visits and Acute Hospital Admissions Following Pediatric Vaccination: A Self-Controlled Study. Public Library of Science, 2013.

Hawken, Steven, et al. Association between Birth Order and Emergency Room Visits and Acute Hospital Admissions Following Pediatric Vaccination: A Self-Controlled Study. Public Library of Science, 2013.