TY - GEN AU - Karatzas,Nicholas B TI - Coumarins, a class of drugs with a unique contribution to medicine: the tale of their discovery SN - 2241-5955 PY - 2015///0410 KW - Anticoagulants KW - history KW - Coumarins KW - Drug Monitoring KW - methods KW - History, 20th Century KW - Humans KW - International Normalized Ratio KW - Thrombosis KW - prevention & control KW - Warfarin N1 - Publication Type: Editorial; Historical Article ER -