Walfield, A. M., Roche, E. S., Zounes, M. C., Kirkpatrick, H., Wild, M. A., Textor, G., . . . Richardson, C. (1989). Primary structure of an oligomeric antigen of Treponema pallidum.

Walfield, A M., E S. Roche, M C. Zounes, H. Kirkpatrick, M A. Wild, G. Textor, P K. Tsai, och C. Richardson. Primary Structure of an Oligomeric Antigen of Treponema Pallidum. 1989.

Walfield, A M., et al. Primary Structure of an Oligomeric Antigen of Treponema Pallidum. 1989.