Oka, H., Matsudaira, K., Takano, Y., Kasuya, D., Niiya, M., Tonosu, J., … Inanami, H. (2018). A comparative study of three conservative treatments in patients with lumbar spinal stenosis: lumbar spinal stenosis with acupuncture and physical therapy study (LAP study). BMC Complementary and Alternative Medicine, 18(1), 19. https://doi.org/10.1186/s12906-018-2087-y (Original work published 2018)