Citation:Perrimon N, McMahon AP. Negative feedback mechanisms and their roles during pattern formation. Cell. 1999;97 (1) :13-6. Download CitationPubMed BibTex Tagged XML Download 1999_Cell_Perrimon.pdf44 KB Date Published:1999 Apr 2See also: Review ArticleLast updated on 08/17/2016 PubMed