Blickstein, Isaac (Ed.) and Louis G. Keith (Ed.). Monozygosity. Biology and clinical aspects. Berlin, Boston: De Gruyter, 2014. Web. Retrieved 26 May. 2013, from http://www.degruyter.com/view/product/21989

Blickstein, I. (Ed.) & Keith, L. (Ed.) (2014). Monozygosity. Biology and clinical aspects. Berlin, Boston: De Gruyter. Retrieved 26 May. 2013, from http://www.degruyter.com/view/product/21989

Blickstein, Isaac (Ed.) and Louis G. Keith (Ed.). 2014. Monozygosity. Biology and clinical aspects. Berlin, Boston: De Gruyter. Retrieved 26 May. 2013, from http://www.degruyter.com/view/product/21989