9368
The peroxisome biogenesis disorders ( PBDs ) are a set of lethal genetic diseases characterized by peroxisomal metabolic deficiencies , multisystem abnormalities , mental retardation , and premature death .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None