title: The preparation of blood grouping serum from human citrated plasma.
mesh_terms: D002118:Calcium / Q000097:blood; D002122:Calcium Chloride; D002951:Citrates / Q000097:blood; D003298:Coombs Test; D005374:Filtration; D006801:Humans; D007106:Immune Sera / Q000302:isolation & purification / Q000592:standards*; D010956:Plasmapheresis
chemical_list: D002951:Citrates; D007106:Immune Sera; D002122:Calcium Chloride; D002118:Calcium