Okada , K., Saito , H., Nishida , J., Miyakoshi , N., Takahashi , S., Nagasawa , H., Suzuki , N. and Chida , S. (2009) “Discal Cyst Associated with Myxoid Change and Apoptosis of Herniated Disc Materials”, Upsala Journal of Medical Sciences, 112(1), pp. 39–47. doi: 10.3109/2000-1967-093.