Cultivation with Untransfected Fibroblasts Stimulates Proliferation of a Single Gene-Modified Fibroblast Derived from a Clawn Miniature Swine Foetus : K7 d. u2 y1 b% B) B" T' o0 mhttp://onlinelibrary.wiley.com/doi/10.1111/j.1439-0531.2010.01727.x/abstract;jsessionid=1C1334EE157DD7023B612C394D14C459.d04t03