Chayanit Manoonpol. (1992) The cervical vertebrae in Thais. Mahidol University,:ม.ป.ท.Chayanit Manoonpol. 1992. The cervical vertebrae in Thais. ม.ป.ท.:Mahidol University,;Chayanit Manoonpol. The cervical vertebrae in Thais. ม.ป.ท.:Mahidol University, 1992. Print.