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Sjogren - Larsson syndrome ( SLS ) is an autosomal recessive disorder characterized by ichthyosis , mental retardation , spasticity , and deficient activity of fatty aldehyde dehydrogenase ( FALDH ) .
 Sjogren - Larsson syndrome, SLS, autosomal recessive disorder, ichthyosis, mental retardation, spasticity, deficient activity of fatty aldehyde dehydrogenase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 Sjogren - Larsson syndrome, SLS, autosomal recessive disorder, ichthyosis, mental retardation, spasticity, deficient activity of fatty aldehyde dehydrogenase