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Polyclonal B cell differentiation and loss of gastrointestinal tract germinal centers in the earliest stages of HIV-1 infection.
(PLoS Med, 2009-07-07)
BACKGROUND: The antibody response to HIV-1 does not appear in the plasma until approximately
2-5 weeks after transmission, and neutralizing antibodies to autologous HIV-1 generally
do not become detectable until 12 weeks ...
Staphylococcus aureus bacteraemia in a tropical setting: patient outcome and impact of antibiotic resistance.
(PLoS One, 2009)
BACKGROUND: Most information on invasive Staphylococcus aureus infections comes from
temperate countries. There are considerable knowledge gaps in epidemiology, treatment,
drug resistance and outcome of invasive S. aureus ...
Substance abuse, treatment needs and access among female sex workers and non-sex workers in Pretoria, South Africa.
(Subst Abuse Treat Prev Policy, 2009-05-27)
BACKGROUND: This study examined cross-sectional data collected from substance-using
female sex workers (FSW) and non-sex workers (non-SW) in Pretoria, South Africa, who
entered a randomized controlled trial. METHODS: Women ...