Oxygen therapy. Evaluation of various air-entraining masks.

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@article{Friedman1974OxygenTE, title={Oxygen therapy. Evaluation of various air-entraining masks.}, author={Susan A. Friedman and Blessmann Weber and William Briscoe and Jaqueline P Smith and Teresa K. King}, journal={JAMA}, year={1974}, volume={228 4}, pages={474-8} }