Valid
Not Valid
A website claims that the United States is planning to invade Canada, but you can’t find any other sources stating that fact.
A study published in JAMA: Journal of the American Medical Association.
A book from 1932 about cancer treatments for a paper about 21st century medical techniques.
Current employment statistics from the U.S. Bureau of Labor Statistics website.
A personal essay about the benefits of tapeworms to lose weight.
