• Knockout mice: Is it just genetics? Effect of enriched housing on fibulin-4+/- mice 

      Cudilo, Elizabeth; Al Naemi, Hamda; Marmorstein, Lihua; Baldwin, Ann L. ( Public Library of Science , 2007 , Article)
      Background. Fibulin-4 is an extracellular matrix protein expressed by vascular smooth muscle cells that is essential for maintaining arterial integrity. Fibulin-4-/- mice die just before birth due to arterial hemorrhage, ...