Leśniowski-Crohn's Disease
Here's your citation in American Psychological Association (APA) format:
Leśniowski-Crohn's Disease. (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=Le%C5%9Bniowski-Crohn%27s+Disease