Farber, CM., Boven, K., De Baets, F., Ferster, A., Hoyoux, C., Mascart-Lemone, F., Philippet, P., Van Vooren, J., & Vermijlen, C. (1998). Primary immune deficiencies in Belgium. Molecular Immunology, 35(11-12), 791. https://doi.org/10.1016/S0161-5890(98)90507-7 (Original work published 1998)