Tohutoro APA (7th ed.)
Koschorrek, K. (1942). Oesophago-broncho-tracheale Fisteln. F. Linke.
Tohutoru Kātū Chicago (17th ed.)
Koschorrek, Karl-Wilhelm. Oesophago-broncho-tracheale Fisteln. Berlin: F. Linke, 1942.
Tohutoro MLA (9th ed.)
Koschorrek, Karl-Wilhelm. Oesophago-broncho-tracheale Fisteln. F. Linke, 1942.
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