Missing data: the impact of what is not there.

MLA

Groenwold, Rolf H. H., and Olaf M. Dekkers. “Missing Data: The Impact of What Is Not There.” European Journal of Endocrinology, vol. 183, no. 4, Oct. 2020, pp. E7–9. EBSCOhost, https://doi.org/10.1530/EJE-20-0732.

APA

Groenwold, R. H. H., & Dekkers, O. M. (2020). Missing data: the impact of what is not there. European Journal of Endocrinology, 183(4), E7–E9. https://doi.org/10.1530/EJE-20-0732

Chicago

Groenwold, Rolf H H, and Olaf M Dekkers. 2020. “Missing Data: The Impact of What Is Not There.” European Journal of Endocrinology 183 (4): E7–9. doi:10.1530/EJE-20-0732.