1. A.S. Fauci, Science 239 (1988) 617.
2. R.A. Katz, A.M. Skalka, Annu. Rev. Biochem. 63 (1994) 133.
3. A.D. Frankel, J.A.T. Young, Annu. Rev. Biochem. 67 (1998) 1.
4. E. De Clercq, Nat. Rev. Drug Discov. 1 (2002) 13.
5. S.C. Johnson, J.G. Gerber, Adv. Intern. Med. 45 (2000) 1.