TY - GEN AU - Stavelin,Anne AU - Omenås,Bente AU - Bolann,Bjørn AU - Christensen,Nina Gade AU - Sandberg,Sverre TI - [Choice of PT-INR instruments in primary health care] SN - 0807-7096 PY - 2008///1202 KW - Humans KW - International Normalized Ratio KW - standards KW - Primary Health Care KW - Prothrombin Time KW - instrumentation KW - Quality Control N1 - Publication Type: Comment; Letter ER -