Granulocyte disorders.
D000328:Adult; D000380:Agranulocytosis / Q000209:etiology*; D002675:Child, Preschool; D006098:Granulocytes / Q000276:immunology*; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000175:diagnosis / Q000209:etiology*; D007223:Infant; D007231:Infant, Newborn; D007239:Infections / Q000209:etiology; D009503:Neutropenia / Q000150:complications / Q000209:etiology* / Q000276:immunology