207719
The ethical , professional , and legal implications of this in the United States medical and scientific community were quite significant , and led to many institutions and policies that attempted to ensure that future human subject research in the United States would be ethical and legal .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None