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Another form of sterile endocarditis is termed Libman–Sacks endocarditis ; this form occurs more often in patients with lupus erythematosus and is thought to be due to the deposition of immune complexes .
 Libman–Sacks
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Libman–Sacks