肝素作为抗凝血药,早已应用于临床,近年来有关它在临床应用方面的文献资料也越来越多。但我们发现有些文献资料和医师处书方书写中,将肝素的剂量单位采用毫克,而不是采用我国药典规定的单位, As an anticoagulant, heparin has long been used in clinical practice. In recent years, there are more and more literature about heparin in clinical application. But we found that some literature and physicians at the writing side of the book, the dosage unit of heparin milligram, rather than using the units prescribed by the Chinese Pharmacopoeia,