Cita APA

Schuez-Havupalo, L., Toivonen, L., Karppinen, S., Kaljonen, A., & Peltola, V. (2017). Daycare attendance and respiratory tract infections: A prospective birth cohort study. BMJ Open.

Chicago Style Citation

Schuez-Havupalo, Linnea, Laura Toivonen, Sinikka Karppinen, Anne Kaljonen, i Ville Peltola. "Daycare Attendance and Respiratory Tract Infections: A Prospective Birth Cohort Study." BMJ Open 2017.

Cita MLA

Schuez-Havupalo, Linnea, et al. "Daycare Attendance and Respiratory Tract Infections: A Prospective Birth Cohort Study." BMJ Open 2017.