Investigating interassay variability between direct oral anticoagulant calibrated anti–factor Xa assays: a substudy of the perioperative anticoagulation use for surgery evaluation... by Ryan M. Baker, Rita Selby, Karen A. Moffat, Melanie St John, Alex C. Spyropoulos, Sam Schulman, James Douketis

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Practical guideline for major hereditary thrombophilia by Liang V. Tang, Pierre-Emmanuel Morange, Javier Corral, Georgios Ntaios, Alex C. Spyropoulos, Gregory Y.H. Lip, James D. Douketis

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Preserving Trial Endpoint Specificity and Cause of Death Attribution in Cardiovascular Trials by Shea E. Hogan, MD, MSCS, Mario Enrico Canonico, MD, PhD, Robert W. King, MD, Cecilia C. Low Wang, MD, Mark R. Nehler, MD, Jessica Parr, MD, R. Kevin Rogers, MD, MSc, Wentao Lu, PhD, John Albanese, Elliot S. Barnathan, MD, Alex C. Spyropoulos, MD, James D. Douketis, MD, Marc P. Bonaca, MD, MPH, Warren H. Capell, MD

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