Tchetgen, E. J. T., & VanderWeele, T. J. (2014). On identification of natural direct effects when a confounder of the mediator is directly affected by exposure. Epidemiology.
Chicago-tyylinen lähdeviittausTchetgen, Eric J. Tchetgen, ja Tyler J. VanderWeele. "On Identification of Natural Direct Effects When a Confounder of the Mediator Is Directly Affected By Exposure." Epidemiology 2014.
MLA-viiteTchetgen, Eric J. Tchetgen, ja Tyler J. VanderWeele. "On Identification of Natural Direct Effects When a Confounder of the Mediator Is Directly Affected By Exposure." Epidemiology 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.