参考:
1. Seki, S; Kawaguchi, Y; Chiba, K; Mikami, Y; Kizawa, H; Oya, T; Mio, F; Mori, M; Miyamoto, Y; Masuda, I; Tsunoda, T; Kamata, M; Kubo, T; Toyama, Y; Kimura, T; Nakamura, Y; Ikegawa, S (2005). "A functional SNP in CILP, encoding cartilage intermediate layer protein, is associated with susceptibility to lumbar disc disease". Nature Genetics. 37 (6): 607–12. doi:10.1038/ng1557. PMID 15864306.
2. Virtanen, I. M.; Song, Y. Q.; Cheung, K. M.; Ala-Kokko, L; Karppinen, J; Ho, D. W.; Luk, K. D.; Yip, S. P.; Leong, J. C.; Cheah, K. S.; Sham, P; Chan, D (2007). "Phenotypic and population differences in the association between CILP and lumbar disc disease". Journal of Medical Genetics. 44 (4): 285–8. doi:10.1136/jmg.2006.047076. PMC 2598035 Freely accessible. PMID 17220213.