4225
Its vasodilatory , anti - vasopressor , and platelet stabilizing effects could be expected to counteract the placental ischemia , hypertension and excessive coagulation that are seen in pre - eclampsia .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None