Sullivan, K. E., McDonald-McGinn, D., Driscoll, D. A., Emanuel, B. S., Zackai, E. H., & Jawad, A. F. (1999). Longitudinal Analysis of Lymphocyte Function and Numbers in the First Year of Life in Chromosome 22q11.2 Deletion Syndrome (DiGeorge Syndrome/Velocardiofacial Syndrome). American Society for Microbiology.

Sullivan, Kathleen E., Donna McDonald-McGinn, Deborah A. Driscoll, Beverly S. Emanuel, Elaine H. Zackai, i Abbas F. Jawad. Longitudinal Analysis of Lymphocyte Function And Numbers in the First Year of Life in Chromosome 22q11.2 Deletion Syndrome (DiGeorge Syndrome/Velocardiofacial Syndrome). American Society for Microbiology, 1999.

Sullivan, Kathleen E., et al. Longitudinal Analysis of Lymphocyte Function And Numbers in the First Year of Life in Chromosome 22q11.2 Deletion Syndrome (DiGeorge Syndrome/Velocardiofacial Syndrome). American Society for Microbiology, 1999.