[1] Immune Response Factors in Rheumatic Heart Disease: Meta-Analysis of HLA-DR Associations and Evaluation of Additional Class II Alleles.John F. Carlquist, PhD, Richard H. Ward, PhD, Karen J. Meyer, BS, Dee Husebye, Michael Feolo, Jeffrey L. Anderson, MD, FACC.

[2] Rheumatic Fever And Rheumatic Heart Disease: Report Of A Who Expert Consultation Geneva, 29 October–1 November 2001.

[3] HLA antigens in Turkish race with rheumatic heart disease. Circulation 1993;87: 1974-8.Ozkan M, Carin M, Sonmez G, Senocak M, Ozdemir M, Yakut C.

[4] HLA-A, B, DR, and DQ antigens in black patients with severe chronic rheumatic heart disease”. Circulation 1987;76:259-61.Maharaj B, Hammond MG, Appadoo B, Leary WP, Pudifin DJ.

[5] http://bioweb.uwlax.edu

[6] http://www.carolina.com and www.imgur.com