Major GI bleeding in older persons using aspirin: Incidence and risk factors in the ASPREE randomised controlled trial

Suzanne E. Mahady, Karen L. Margolis, Andrew Chan, Galina Polekhina, Robyn L. Woods, Rory Wolfe, Mark R. Nelson, Jessica E. Lockery, Erica M. Wood, Christopher Reid, Michael E. Ernst, Anne Murray, L. T.P. Thao, John J. McNeil