Warner Timothy D, Mitchell Jane A
The William Harvey Research Institute, Bart's and the London School of Medicine and Dentistry, Charterhouse Square, London EC1M 6BQ, United Kingdom.
Proc Natl Acad Sci U S A. 2002 Oct 15;99(21):13371-3. doi: 10.1073/pnas.222543099. Epub 2002 Oct 8.