RT Journal Article SR Electronic A1 Vinall, Phil T1 HA Injection, Dry Needling Equally Effective, Safe in Patients with Incurable Plantar Fasciitis JF MD Conference Express YR 2014 FD SAGE Publications VO 14 IS 34 SP 6 OP 7 DO 10.1177/155989771434003 UL http://mdc.sagepub.com/content/14/34/6.2.abstract AB Hyaluronic acid (HA) is a naturally occurring biological substance that has proven safe to use for treating plantar fasciitis. The purpose of this prospective comparative study was to determine the efficacy of HA on plantar fasciitis that did not respond to common noninvasive treatment methods, as discussed in this article.