Gail, Mitchell H.
[Author];
Altman, Douglas G.
[Author];
Cadarette, Suzanne M.
[Author];
Collins, Gary
[Author];
Evans, Stephen J. W.
[Author];
Sekula, Peggy
[Author];
Williamson, Elizabeth
[Author];
Woodward, Mark
[Author]
Design choices for observational studies of the effect of exposure on disease incidence