(1921). [Ether for general anesthesia, brand preferred by Public Health Service medical officers; request for information]. [publisher not identified].
Chicago Style (17th ed.) Citation[Ether for General Anesthesia, Brand Preferred by Public Health Service Medical Officers; Request for Information]. Washington, D.C.: [publisher not identified], 1921.
MLA (8th ed.) Citation[Ether for General Anesthesia, Brand Preferred by Public Health Service Medical Officers; Request for Information]. [publisher not identified], 1921.
Warning: These citations may not always be 100% accurate.