TY  - RPRT
TI  - Human immunodeficiency virus type 1 reverse-transcriptase and protease subtypes: classification, amino acid mutation patterns, and prevalence in a northern California clinic-based population.
AU  - M J Gonzales
AU  - R N Machekano
AU  - R W Shafer
PY  - 2001
DO  - 10.1086/323601
UR  - https://pubmed.ncbi.nlm.nih.gov/11574914/
ID  - 11574914
ER  -