title: 22q11.2 deletion syndrome and selective IgM deficiency: an association of a common chromosomal abnormality with a rare immunodeficiency.
authors.affiliation: Division of Allergy and Clinical Immunology, Nemours Children's Clinic, Wilmington, Alfred I. duPont Hospital for Children, Wilmington, Delaware, and Thomas Jefferson University, Philadelphia, Pennsylvania.
authors.forename: Waleed
authors.initials: W
authors.lastname: Al-Herz
authors.affiliation: Division of Allergy and Clinical Immunology, Nemours Children's Clinic, Wilmington, Alfred I. duPont Hospital for Children, Wilmington, Delaware, and Thomas Jefferson University, Philadelphia, Pennsylvania.
authors.forename: Stephen J
authors.initials: SJ
authors.lastname: McGeady
authors.affiliation: Division of Medical Genetics, Nemours Children's Clinic, Wilmington, Alfred I. duPont Hospital for Children, Wilmington, Delaware, and Thomas Jefferson University, Philadelphia, Pennsylvania.
authors.forename: Karen W
authors.initials: KW
authors.lastname: Gripp
mesh_terms: D000293:Adolescent; D002872:Chromosome Deletion; D025063:Chromosome Disorders / Q000175:diagnosis* / Q000235:genetics; D002892:Chromosomes, Human, Pair 22 / Q000235:genetics*; D005260:Female; D006801:Humans; D007075:Immunoglobulin M / Q000172:deficiency*; D007153:Immunologic Deficiency Syndromes / Q000175:diagnosis* / Q000235:genetics*
chemical_list: D007075:Immunoglobulin M