A family of insertion mutations between codons 67 and 70 of human immunodeficiency virus type 1 reverse transcriptase confer multinucleoside analog resistance. - Larder, B; Bloor, S; Kemp, S; Hertogs, K; Desmet, R; Miller, V; Sturmer, M; Staszewski, S; Ren, J; Stammers, D; Stuart, D; Pauwels, R (Antimicrobial agents and chemotherapy, 1999)