4277
When vascular pressure ( Pvas ) was raised abruptly from - 5 to + 25 cmH2O by air inflation for 60 min , Px ( f ) became abruptly less negative , then remained stable .
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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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