Cita APA

Pearce, N., Aït‐Khaled, N., Beasley, R., Mallol, J., Keil, U., Mitchell, E., & Robertson, C. (2007). Worldwide trends in the prevalence of asthma symptoms: Phase III of the International Study of Asthma and Allergies in Childhood (ISAAC). BMJ Group.

Chicago Style Citation

Pearce, Neil, Nadia Aït‐Khaled, Richard Beasley, Javier Mallol, Ulrich Keil, Ed Mitchell, i Colin Robertson. Worldwide Trends in the Prevalence of Asthma Symptoms: Phase III of the International Study of Asthma and Allergies in Childhood (ISAAC). BMJ Group, 2007.

Cita MLA

Pearce, Neil, et al. Worldwide Trends in the Prevalence of Asthma Symptoms: Phase III of the International Study of Asthma and Allergies in Childhood (ISAAC). BMJ Group, 2007.