title: Update: Greenland and Robins (1986). Identifiability, exchangeability and epidemiological confounding.
abstract: We are pleased to publish an update to "Identifiabiliity, exchangeability and epidemiological confounding" (IEEC) by Sander Greenland and James Robins, originally published in 1986 in the International Journal of Epidemiology. This is the first in a series of updates to classic epidemiologic-methods papers that EP&I has commissioned.
authors.affiliation: University of Minnesota School of Public Health, Minneapolis, USA. GMPhD@umn.edu
authors.forename: George
authors.initials: G
authors.lastname: Maldonado