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  Indian J Med Microbiol
 

Figure 1: Thresholds for physiological responses to low oxygen tension. HIF, hypoxic inducible factor; HPV, hypoxic pulmonary vasoconstriction; HV, hypoxic ventilation

Figure 1: Thresholds for physiological responses to low oxygen tension. HIF, hypoxic inducible factor; HPV, hypoxic pulmonary vasoconstriction; HV, hypoxic ventilation