Tohutoro APA (7th ed.)
Hammerl, N. G. (1983). Das Risiko der aortokoronaren Bypassoperation. Univ., Med. Fak.
Tohutoru Kātū Chicago (17th ed.)
Hammerl, Nikolaus Georg. Das Risiko Der Aortokoronaren Bypassoperation. Erlangen, Nürnberg: Univ., Med. Fak, 1983.
Tohutoro MLA (9th ed.)
Hammerl, Nikolaus Georg. Das Risiko Der Aortokoronaren Bypassoperation. Univ., Med. Fak, 1983.
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