Comment on

• Reversible immortalization of human myogenic cells by site-specific excision of a retrovirally transferred oncogene.

  Berghella L, De Angelis L, Coletta M, Berarducci B, Sonnino C, Salvatori G, Anthonissen C, Cooper R, Butler-Browne GS, Mouly V, Ferrari G, Mavilio F, Cossu G. Berghella L, et al. Hum Gene Ther. 1999 Jul 1;10(10):1607-17. doi: 10.1089/10430349950017617. Hum Gene Ther. 1999. PMID: 10428206