APA (7th ed.) Citation

Merlo, C., Trummler, M., Essig, S., & Zeller, A. Vitamin D Deficiency in Unselected Patients from Swiss Primary Care: A Cross-Sectional Study in Two Seasons. Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Merlo, Christoph, Michael Trummler, Stefan Essig, and Andreas Zeller. Vitamin D Deficiency in Unselected Patients from Swiss Primary Care: A Cross-Sectional Study in Two Seasons. Public Library of Science (PLoS).

MLA (9th ed.) Citation

Merlo, Christoph, et al. Vitamin D Deficiency in Unselected Patients from Swiss Primary Care: A Cross-Sectional Study in Two Seasons. Public Library of Science (PLoS).

Warning: These citations may not always be 100% accurate.