title: Negative feedback mechanisms and their roles during pattern formation.
authors: Howard Hughes Medical Institute, Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.
authors: N
authors: N
authors: Perrimon
authors: A P
authors: AP
authors: McMahon
mesh_terms: D000818:Animals; D019521:Body Patterning / Q000502:physiology*; D005246:Feedback / Q000502:physiology*