TY - GEN AU - Ernst,Michael E AU - Shaw,Robert F AU - Ernst,Erika J AU - Alexander,Bruce AU - Kaboli,Peter J TI - Atmospheric pressure changes and unexplained variability in INR measurements SN - 1473-5733 PY - 2009///0818 KW - Anticoagulants KW - administration & dosage KW - Atmospheric Pressure KW - Humans KW - International Normalized Ratio KW - Observer Variation KW - Retrospective Studies KW - Vitamin K KW - Vitamins KW - Warfarin N1 - Publication Type: Journal Article; Multicenter Study UR - https://doi.org/10.1097/MBC.0b013e3283257ffc ER -