Dale Frank, Weiwei Fortino, Lorraine Clark, Raymond Musalo, Wenxian Wang, Anjana Saxena, Chi-Ming Li, Wolf Reik, Thomas Ludwig, Benjamin Tycko
Proc Natl Acad Sci U S A. 2002 May 28; 99(11): 7490–7495. Published online 2002 May 21. doi: 10.1073/pnas.122039999