TY - RPRT TI - Resistance issues with new nucleoside/nucleotide backbone options. AU - Mark A Wainberg AU - Dan Turner PY - 2004 DO - 10.1097/01.qai.0000137005.63376.6e UR - https://pubmed.ncbi.nlm.nih.gov/15319668/ ID - 15319668 ER -