lightly anaesthetized and spontaneously breathing p. anubis ( pa ) and m. mulatta ( mm ) inhaled at ambient pressure 3.2 % oxygen ( identical to 37,500 ft or 11,430 m ) from air and also after pre-exposure to 14 % oxygen ( identical to 10,000 ft or 3,048 m ) .
C0035203
breathing
C0004048
inhaled