Bhoopat, WTongmak, PKhanjanasthiti, PNimmannitya, JHargrove, N2009-05-272009-05-271985-05-01Bhoopat W, Tongmak P, Khanjanasthiti P, Nimmannitya J, Hargrove N. Ossification of the posterior longitudinal ligament of the cervical spine. Journal of the Medical Association of Thailand. 1985 May; 68(5): 254-9http://imsear.searo.who.int/handle/123456789/45616Chotmaihet Thangphaet.engAgedCervical Vertebrae --radiographyFemaleHumansMaleMiddle AgedMyelographyOssification, Heterotopic --radiographySpinal Diseases --radiographyOssification of the posterior longitudinal ligament of the cervical spine.Journal Article