Testing for IgG4 against foods is not recommended as a diagnostic tool
European Academy of Allergology and Clinical Immunology (EAACI)
(Allergy 2008: 63; 793-796, external link)
www.ncbi.nlm.nih.gov/pubmed/18489614
(Allergy 2008: 63; 793-796, external link)
www.ncbi.nlm.nih.gov/pubmed/18489614