DR. ABHIJIT DUTTA. A Comparative Study on Efficacy of Ballistic Stretching Versus Modified Hold Relax Technique in Increasing Hamstring Flexibility: Life Sciences-Physiotherapy. International Journal of Life Science and Pharma Research, [S. l.], v. 11, n. 3, p. 43–49, 2022. DOI: 10.22376/ijpbs/lpr.2021.11.3.L43-49. Disponível em: https://ijlpr.com/index.php/journal/article/view/1135. Acesso em: 1 feb. 2026.