@misc{7822, author = {T. Tran and S. Suissa}, title = {Comparing New-User Cohort Designs: The Example of Proton Pump Inhibitor Effectiveness in Idiopathic Pulmonary Fibrosis}, year = {2020}, journal = {Am J Epidemiol}, issn = {0002-9262}, doi = {10.1093/aje/kwaa242}, }