THE ANALGETIC EFFECTS OF LOW CONCENTRATIONS OF NITROUS OXIDE COMPARED IN MAN WITH MORPHINE SULPHATE

^{Anesthesia Laboratory of the Harvard Medical School at the Massachusetts General Hospital, Boston}

Supported by a grant from Mr. Edward Mallinckrodt.

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^{Anesthesia Laboratory of the Harvard Medical School at the Massachusetts General Hospital, Boston}

Supported by a grant from Mr. Edward Mallinckrodt.

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^{Anesthesia Laboratory of the Harvard Medical School at the Massachusetts General Hospital, Boston}

Supported by a grant from Mr. Edward Mallinckrodt.

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