A novel de novo mutation in the CD40 ligand gene in a patient with a mild X-linked hyper-IgM phenotype initially diagnosed as CVID New Aspects of Old Diseases: new aspects of old diseases - França, Tábata Takahashi; Leite, Luiz F. B.; Lambert, Christiane G.; Maximo, Tiago A.; Zurro, Nuria Bengala; Forte, Wilma Carvalho Neves; Condino-Neto, Antonio (Frontiers in Pediatrics, 2018)