Citace podle APA

Lukas, M., Bortlik, M., & Maratka, Z. (2006). What is the origin of ulcerative colitis? Still more questions than answers. BMJ Group.

Styl Chicago

Lukas, Milan, Martin Bortlik, a Zdenek Maratka. What Is the Origin of Ulcerative Colitis? Still More Questions Than Answers. BMJ Group, 2006.

Citace podle MLA

Lukas, Milan, Martin Bortlik, a Zdenek Maratka. What Is the Origin of Ulcerative Colitis? Still More Questions Than Answers. BMJ Group, 2006.

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