Chronic Retropharyngeal Abscess with Perforation into Pharynx
MLA
Hemberger, Armin B. Chronic Retropharyngeal Abscess with Perforation into Pharynx. 1931. https://collections.library.yale.edu/catalog/15948171.
APA, 6th edition
Hemberger, A. B. (1931). Chronic Retropharyngeal Abscess with Perforation into Pharynx [Drawings (AAT)]. https://collections.library.yale.edu/catalog/15948171.