title: Absolute IgG4 deficiency and recurrent bacterial blepharokeratoconjunctivitis.
mesh_terms: D001762:Blepharitis / Q000150:complications*; D002675:Child, Preschool; D004406:Dysgammaglobulinemia / Q000150:complications*; D004927:Escherichia coli Infections / Q000150:complications*; D005141:Eyelid Diseases / Q000150:complications*; D006801:Humans; D017099:IgG Deficiency; D007637:Keratoconjunctivitis / Q000150:complications*; D008297:Male; D013203:Staphylococcal Infections / Q000150:complications*