On the therapeutic action of oxygen : with cases proving its singular efficacy in various intractable diseases / by S.B. Birch.
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On the therapeutic action of oxygen : with cases proving its singular efficacy in various intractable diseases / by S.B. Birch. Credit: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.. Public Domain Mark