3993
Ankylosing spondylitis , psoriatic arthropathy and entero - arthropathy may be regarded as clinical sub - types of the syndrome . .
 Ankylosing spondylitis, psoriatic arthropathy, entero - arthropathy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 Ankylosing spondylitis, psoriatic arthropathy, entero - arthropathy