Robins, J. (1987). A graphical approach to the identification and estimation of causal parameters in mortality studies with sustained exposure periods.
Chicago Style (17th ed.) CitationRobins, James. A Graphical Approach to the Identification and Estimation of Causal Parameters in Mortality Studies with Sustained Exposure Periods. 1987.
MLA (8th ed.) CitationRobins, James. A Graphical Approach to the Identification and Estimation of Causal Parameters in Mortality Studies with Sustained Exposure Periods. 1987.
Warning: These citations may not always be 100% accurate.