Poor agreement between 2 assays for measuring low levels of HIV-1 viral load.
Montaner
Julio S G
JS
Richman
Douglas D
DD
Hammer
Scott M
SM
D015658:HIV Infections / Q000821:virology*; D015497:HIV-1 / Q000302:isolation & purification*; D006801:Humans; D013223:Statistics as Topic; D019562:Viral Load / Q000379:methods* / Q000706:statistics & numerical data*