1812
These findings suggest that PGE1 is effective in increasing PVF in the liver transplanted condition ; however , the hepatic circulatory improvement attributed to this agent would be limited to the first few days following transplantation .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None