Landau-Kleffner Syndrome (LKS)
Here's your citation in American Psychological Association (APA) format:
Landau-Kleffner Syndrome (LKS). (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=Landau-Kleffner+Syndrome+%28LKS%29