Effect of Dry Needling Plus Static Stretching on Plantar Flexors Spasticity in Chronic Stroke Patients Esmaeeli Mahdi Ghotbi Nastaran Malmir Kazem Ansari Noureddin Nakhostin Herrero Pablo Universidad de Zaragoza Jalaei Shohreh Loni Elham Mazidi Sajede 2024 research-article