%0 Journal Article %T Study of Complex Vertebral Malformation Disorder in Iranian Holstein Bulls %A , %A Nassiri, Mohammadreza %A Valizadeh, Reza %A Tahmoorespur, Mojtaba %A Javadmanesh, Ali %A A. Zarei %A H. Janati %J World Journal of Zoology %@ 1817-3098 %D 2008