×
Log in
Upload File
Most Popular
Art & Photos
Automotive
Business
Career
Design
Education
Hi-Tech
+ Browse for More
The top documents tagged [ambidirectional cohort]
Healthcare
Study Design - Retrospective cohort study
70 views
Documents
Author(s): Johnston, S Claiborne MD, PhD; Dowd, Christopher F. MD; Higashida, Randall T. MD; Lawton, Michael T. MD; Duckwiler, Gary R. MD; Gress, Daryl
217 views