779
Thus , chronic hematocrit decrease induced by H or P resulted in a significant fall in blood pressure compared to control ( 201 + / - 3 v 175 + / - 4 , 167 + / - 4 mm Hg , respectively ; P < . 05 ) .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None