1. Trigger Point Dry Needling
2. American Physical Therapy Association. Description of dry needling in clinical practice: an educational resource paper [document on the Internet]. APTA Public Policy, Practice and Professional Affairs Unit. 2013 [2013 Feb; cited 2013 May 4]. Available from: www.apta.org/StateIssues/DryNeedling/ResourcePaper.
3. Simons DG, Travell JG, Simons LS. Travell and Simons’ myofascial pain and dysfunction: the trigger point manual. 2nd edn. Vol. 1. Baltimore: Lippincott Williams and Wilkins; 1999. p.5.
4. Superficial versus Deep Dry Needling
5. Dry needling — peripheral and central considerations