Snider P, Tang S, Lin G, Wang J, Conway S. Generation of Smad7(-Cre) recombinase mice: A useful tool for the study of epithelial-mesenchymal transformation within the embryonic heart. Genesis. 2009;47:469-75 pubmed publisher
..Ablation of Smad7(Cre) cells resulted in embryonic lethality by E11.5 and largely acellular endocardial cushions. ..