RT Journal Article SR Electronic T1 A Correction to the This Week in Signal Transduction summary, Developing Symmetry and Asymmetry JF Science's STKE JO Sci. STKE FD American Association for the Advancement of Science SP er4 OP er4 DO 10.1126/stke.2852005er4 VO 2005 IS 285 YR 2005 UL http://stke.sciencemag.org/content/2005/285/er4.abstract