From AMA Manual, 11th ed, Ch 3.15.4 Social Media
"As new modalities of social media have emerged, a mechanism for citing these different outputs is useful. Social media are fluid and temporary, and in scientific reporting, a better citation is likely available.
Some suggestions for citing various popular social media follow."
1. Mayo Clinic Sports Medicine Facebook page. #RotatorCuff tears are among the most common shoulder injuries, particularly in individuals who engage in activities that require repetitive arm motions. Discover the possible treatment options for a torn rotator cuff: https://mayocl.in/2H6AR3P. Accessed March 4, 2019. https://www.facebook.com/mayoclinicsportsmedicine
2. Gray T. Advice after mischief is like medicine after death. AMA Style Insider blog. February 11, 2019. Accessed March 10, 2019. https://amastyleinsider.com/2019/02/11/advice-after-mischief-is-like-medicine-after-death/
3. Khan Academy health and medicine YouTube page. Accessed February 10, 2016. https://www.youtube.com/user/khanacademymedicine
4. @AMAManual. Double negatives can be used to express a positive, but this yields a weaker affirmative than the simpler positive and may be confusing. “Our results are not inconsistent with the prior hypothesis.” “That won’t do you no good.” And the classic: “I can’t get no satisfaction.” March 7, 2019. Accessed March 10, 2019. https://twitter.com/AMAManual/status/1103678998327017483
Note: In some of the examples above, note that instead of a title, the entire post is given