HIV reverse transcriptase gene mutations detected:Prid:Pt:Isolate:Nom
hiv reverse transcriptase gene mutations detected:prid:pt:isolate:nom
Human immunodeficiency virus reverse transcriptase gene mutations detected:Presence or Identity:To identify measures at a point in time:Isolate:Nominal
human immunodeficiency virus reverse transcriptase gene mutations detected:presence or identity:to identify measures at a point in time:isolate:nominal