RT Journal Article SR Electronic A1 Shuman, Jill T1 A Need for Evidence-Based Answers to Coagulation and Pharmacogenetics JF MD Conference Express YR 2015 FD SAGE Publications VO 15 IS 21 SP 24 OP 25 DO 10.1177/1559897715599962 UL http://mdc.sagepub.com/content/15/21/24.abstract AB The role of global coagulation assays in the clinical setting is unclear. Clinical trials are needed to further assess the relationship between global assays and clinical bleeding. Despite the promise of pharmacogenetics, evidence-based trials are needed to clarify the association between genotype and clinical outcomes, especially related to warfarin.