Ahmad, Muhammad, and Mohammad Humayun Mohmand. “Clinical Significance of Vibration Anesthesia on Reducing Pain of Ring-Block (Subcutaneous Injections) in the Patients Undergoing Hair Restoration Surgery”. Annals of Dermatological Research, vol. 1, no. 1, Oct. 2017, pp. 001-5, doi:10.29328/journal.adr.1001001.