32773
The effects are hypothesized to be attributed to inhalation of poorly soluble Sb particles leading to impaired lung clearance , lung overload , inflammation and ultimately tumour formation , not to exposure to antimony ions ( OECD , 2008 ) .
 OECD
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 OECD