title: More on: is there a need for replacement of the international reference preparation for thromboplastin, bovine, combined (OBT/79)?
authors.forename: L
authors.initials: L
authors.lastname: Poller
mesh_terms: D000818:Animals; D002138:Calibration; D002417:Cattle; D011517:Prothrombin Time; D011817:Rabbits; D012015:Reference Standards; D015203:Reproducibility of Results; D013045:Species Specificity; D013925:Thromboplastin / Q000592:standards*; D014944:World Health Organization
chemical_list: D013925:Thromboplastin