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Figure 3 The time course of the arterial oxygen content and hemoglobin responses and the coronary sinus oxygen content, and the coronary sinus [H+] responses to IV cocaine in dogs and baboons. The arterial O2 content and hemoglobin concentrations increased significantly (p < 0.05) and remained elevated in dogs, but not in baboons. There was a significant (p < 0.05) fall in coronary sinus O2 content and a significant increase in [H+] in baboons, but not in dogs.
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