BBlood And Blood Forming OrgansSubgroupsAntithrombotic AgentsB01AntihemorrhagicsB02Antianemic PreparationsB03Blood Substitutes And Perfusion SolutionsB05Other Hematological AgentsB06Subgroups (level 3)Antithrombotic AgentsB01AVitamin K And Other HemostaticsB02BIron PreparationsB03AVitamin B12 And Folic AcidB03BOther Antianemic PreparationsB03XI.v. SolutionsB05BIrrigating SolutionsB05CI.v. Solution AdditivesB05XOther Hematological AgentsB06A