APA aipamena

Bergman, P., Lindh, Å. U., Björkhem-Bergman, L., & Lindh, J. D. (2013). Vitamin D and Respiratory Tract Infections: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Public Library of Science.

Chicago Style aipamena

Bergman, Peter, Åsa U. Lindh, Linda Björkhem-Bergman, and Jonatan D. Lindh. Vitamin D and Respiratory Tract Infections: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Public Library of Science, 2013.

MLA aipamena

Bergman, Peter, Åsa U. Lindh, Linda Björkhem-Bergman, and Jonatan D. Lindh. Vitamin D and Respiratory Tract Infections: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Public Library of Science, 2013.