title: A contribution to the study of immunological reactivity of the organism in agricultural workers.
mesh_terms: D000288:Administrative Personnel; D000328:Adult; D000383:Agriculture; D001419:Bacteria / Q000276:immunology* / Q000302:isolation & purification; D003604:Czechoslovakia; D004926:Escherichia coli / Q000276:immunology / Q000302:isolation & purification; D006801:Humans; D007136:Immunoglobulins / Q000032:analysis; D008297:Male; D009055:Mouth / Q000382:microbiology; D009343:Neisseria / Q000276:immunology / Q000302:isolation & purification; D009504:Neutrophils / Q000276:immunology; D010587:Phagocytosis; D011511:Proteus / Q000302:isolation & purification; D012867:Skin / Q000382:microbiology; D013210:Staphylococcus / Q000302:isolation & purification; D013291:Streptococcus / Q000302:isolation & purification; D013296:Streptococcus pneumoniae / Q000302:isolation & purification
chemical_list: D007136:Immunoglobulins