TY - RPRT TI - A molecular basis for Smad specificity. AU - G Lagna AU - A Hemmati-Brivanlou PY - 1999 DO - 10.1002/(sici)1097-0177(199903)214:3<269::aid-aja10>3.0.co;2-# UR - https://pubmed.ncbi.nlm.nih.gov/10090153/ ID - 10090153 ER -