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937479.fig.001b
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Figure 1: Central-venous pCO2 (a), central-venous pH (b), heart rate (c), and plasma theophylline concentration (d) following cumulative intravenous administration of theophylline in malignant hyperthermia-susceptible (MHS) and normal (MHN) swine. Shown are median ± range. MHS versus MHN; MHS versus 0 minutes; MHN versus 0 minutes.