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Total and protein-free EFV concentrations in blood and seminal plasma samples. Total EFV in BP (▽), total EFV in SP (▼), protein-free EFV in BP (○), protein-free EFV in SP (●). Each data point represents one of up to 7 samples collected at different times during the 5 day inpatient stay. Data are jittered within the x-axis dimension to avoid overlap.
