Huayu Qi, Magdalene M. Moran, Betsy Navarro, Jayhong A. Chong, Grigory Krapivinsky, Luba Krapivinsky, Yuriy Kirichok, I. Scott Ramsey, Timothy A. Quill, David E. Clapham
Proc Natl Acad Sci U S A. 2007 Jan 23; 104(4): 1219–1223. Published online 2007 Jan 16. doi: 10.1073/pnas.0610286104