Puntumetakul, R., Vattanasilp, W., Phadungkit, S., Sisisarn, P., Krangsantherat, P., Phusheun, S., Sadesadavit, M. and Huanglengklang, C. 2001. The relationships between gender body mass index and lumbar spinal curvature in standing position using the flexible ruler. Archives of Allied Health Sciences. 13, 1 (Apr. 2001), 20–29.