Transfer of the murine interleukin-12 gene in vivo by a Semliki Forest virus vector induces B16 tumor regression through inhibition of tumor blood vessel formation monitored by Doppler ultrasonography (In Process Citation). - Asselin-Paturel,C.; Lassau,N.; Guinebretiere,J.M.; Zhang,J.; Gay,F.; Bex,F.; Hallez,S.; Leclere,J.; Peronneau,P.; Mami-Chouaib,F.; Chouaib,S. (Gene Ther, 1999)