title: Are social causes so different from all other causes? A comment on Sander Greenland.
authors.affiliation: Department of Epidemiology, Columbia University, Mailman School of Public Health, New York, NY 10032, USA. ess8@columbia.edu
authors.forename: Ezra
authors.initials: E
authors.lastname: Susser
authors.forename: Sharon
authors.initials: S
authors.lastname: Schwartz