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