2934
Histopathological examination revealed dose - related proliferation of type II pneumocytes in dams and proliferation of interstitial cells and delayed septal / capillary development in neonates . ( ABSTRACT TRUNCATED AT 250 WORDS )
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
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