APA aipamena

Kovalenko, A. A., Brenn, T., Odland, J. Ø., Nieboer, E., Krettek, A., & Anda, E. E. (2017). Under-reporting of major birth defects in Northwest Russia: A registry-based study. Int J Circumpolar Health.

Chicago Style aipamena

Kovalenko, Anton A., Tormod Brenn, Jon Øyvind Odland, Evert Nieboer, Alexandra Krettek, and Erik Eik Anda. "Under-reporting of Major Birth Defects in Northwest Russia: A Registry-based Study." Int J Circumpolar Health 2017.

MLA aipamena

Kovalenko, Anton A., et al. "Under-reporting of Major Birth Defects in Northwest Russia: A Registry-based Study." Int J Circumpolar Health 2017.