title: [Study of the immunobiological reactivity of children].
mesh_terms: D000937:Antigen-Antibody Reactions; D002648:Child; D004781:Environmental Exposure; D006801:Humans; D012111:Residence Characteristics; D012959:Socioeconomic Factors
vernacular_title: K voprosu izucheniia immunobiologicheskoĭ reaktivnosti deteĭ