Single- and multidrug resistance mutations to reverse transcriptase and protease inhibitors: Human immunodeficiency virus type 1-infected patients from two geographical areas in Spain

1. Pérez-Alvarez, L.
2. Villahermosa, M.L.
3. Cuevas, M.T.
4. Delgado, E.
5. Manjón, N.
6. De Parga, E.V.
7. Medrano, L.
8. Contreras, G.
9. Thomson, M.M.
10. Colomo, C.
11. Taboada, J.A.
12. Nájera, R.