Reference:Yang LJ:Zeller CB:Shaper NL:Kiso M:Hasegawa A:Shapiro RE:Schnaar RL:,Proc. Natl. Acad. Sci. U. S. A.,1996,93,814: Revision history

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

21 November 2017