Ketterling, R. P., Vielhaber, E., Bottema, C. D., Schaid, D. J., Cohen, M. P., Sexauer, C. L., & Sommer, S. S. (1993). Germ-line origins of mutation in families with hemophilia B: The sex ratio varies with the type of mutation.

Ketterling, R P., E. Vielhaber, C D. Bottema, D J. Schaid, M P. Cohen, C L. Sexauer, và S S. Sommer. Germ-line Origins of Mutation in Families With Hemophilia B: The Sex Ratio Varies With the Type of Mutation. 1993.

Ketterling, R P., et al. Germ-line Origins of Mutation in Families With Hemophilia B: The Sex Ratio Varies With the Type of Mutation. 1993.