Graham, J. B., Kunkel, G. R., Egilmez, N. K., Wallmark, A., Fowlkes, D. M., & Lord, S. T. (1991). The varying frequencies of five DNA polymorphisms of X-linked coagulant factor IX in eight ethnic groups.

Graham, J B., G R. Kunkel, N K. Egilmez, A. Wallmark, D M. Fowlkes, و S T. Lord. The Varying Frequencies of Five DNA Polymorphisms of X-linked Coagulant Factor IX in Eight Ethnic Groups. 1991.

Graham, J B., et al. The Varying Frequencies of Five DNA Polymorphisms of X-linked Coagulant Factor IX in Eight Ethnic Groups. 1991.