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. 2013 Jan 14;8(1):e54184. doi: 10.1371/journal.pone.0054184

Figure 1. Simple correlations between plasma neutrophil gelatinase associated lipocalin (Ngal) levels and parameters of obstructive sleep apnea.

Figure 1

AHI: apnea hypopnea index; ODI: oxygen desaturation index; SpO2: saturation of oxygen.