title: Developing hearts need their SPEG.
authors.forename: Mark A
authors.initials: MA
authors.lastname: Sussman
mesh_terms: D000818:Animals; D018507:Gene Expression Regulation, Developmental / Q000502:physiology*; D006321:Heart / Q000196:embryology* / Q000254:growth & development* / Q000502:physiology; D006801:Humans; D054792:Muscle, Striated / Q000196:embryology / Q000254:growth & development / Q000502:physiology