title: [Blood serum opsonin level in cattle aged from 6 to 30 months].
mesh_terms: D000367:Age Factors; D000818:Animals; D002417:Cattle / Q000276:immunology*; D005260:Female; D007962:Leukocytes / Q000276:immunology; D009895:Opsonin Proteins / Q000032:analysis*; D010587:Phagocytosis; D012621:Seasons; D013210:Staphylococcus / Q000276:immunology; D014887:Weather
chemical_list: D009895:Opsonin Proteins
vernacular_title: Poziom opsonin w surowicy krwi bydła w wieku od 6 do 30 miesiecy.