Fig. 1
From: A sensitive method for analyzing fluconazole in extremely small volumes of neonatal serum
Chromatograms of fluconazole and fluconazole-d4. Chromatograms of fluconazole (upper column) and fluconazole-d4 (internal standard, lower column) in a blank serum sample (a) and a spiked sample at a serum concentration of 2 μg/mL (b, c)