title: Quality control organization of coagulation tests in Germany.
mesh_terms: D001780:Blood Coagulation Tests; D005860:Germany, West; D006801:Humans; D007202:Indicators and Reagents / Q000592:standards; D011517:Prothrombin Time; D011786:Quality Control; D013925:Thromboplastin / Q000592:standards
chemical_list: D007202:Indicators and Reagents; D013925:Thromboplastin