APA-referens

Swanstrom, L. L. (2012). Peroral Endoscopic Myotomy for Treatment of Achalasia. Millennium Medical Publishing.

Chicago-stil citat

Swanstrom, Lee L. Peroral Endoscopic Myotomy for Treatment of Achalasia. Millennium Medical Publishing, 2012.

MLA-referens

Swanstrom, Lee L. Peroral Endoscopic Myotomy for Treatment of Achalasia. Millennium Medical Publishing, 2012.

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