P D Frymier, R M Ford, H C Berg, and P T Cummings. Proceedings of the National Academy of Sciences of the United States of America92(13):6195-6199 (June 1995)
P D Frymier, R M Ford, H C Berg, and P T Cummings. Proceedings of the National Academy of Sciences of the United States of America92(13):6195-6199 (June 1995)