YAMAGUCHI SHOGO. A Comparative Study on the Effect of PTN on Improving Upper Back Muscle Stiffness . Studies in Alternative and Complementary Medicine, [S. l.], v. 2, n. 1, p. 15–24, 2022. Disponível em: http://8.218.148.162:8081/SACM/article/view/251. Acesso em: 1 may. 2025.