Transgenic Drug Production Heads Back to the Farm The use of transgenic goats to produce a recombinant form of human antithrombin is much more efficient than using mammalian cell cultures. <A HREF="http://www.managedcaremag.com/archives/0611/0611.biotech.html" target="_blank">http://www.managedcaremag.com/archives/0611/0611.biotech.html</A> Grtz CV