Technical contexts are preferred. Discounts from a ...- neutrovis medical face mask สีม่วงแบบใช้แล้วทิ้ง ,20090202~174755 Administrator 0 EN-US If patient finds breathing difficult and develops a bluish discolouration of the skin (which suggests a lack of oxygen in the blood &tD;- &tB;cyanosis), ensure airways are clear of any obstruction and have a qualified person give oxygen through a face mask.Technical contexts are preferred. Discounts from a ...20090202~174755 Administrator 0 EN-US If patient finds breathing difficult and develops a bluish discolouration of the skin (which suggests a lack of oxygen in the blood &tD;- &tB;cyanosis), ensure airways are clear of any obstruction and have a qualified person give oxygen through a face mask.



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