title: [Nonspecific immunobiological reactivity in preschool children in relation to environmental factors].
mesh_terms: D000367:Age Factors; D000937:Antigen-Antibody Reactions; D002648:Child; D002675:Child, Preschool; D004782:Environmental Health; D006801:Humans; D009113:Muramidase / Q000032:analysis; D009504:Neutrophils / Q000276:immunology; D010587:Phagocytosis; D012463:Saliva / Q000201:enzymology
chemical_list: D009113:Muramidase
vernacular_title: Nespetsificheskaia immunobiologicheskaia reaktivnost' u deteĭ doshkol'nogo vozrasta v sviazi s nekotorymi faktorami vneshneĭ sredy.