Degeneration of the intervertebral disc

Table 1 Comparison between numbers of papers published in different research areas

	Intervertebral disc	Tendon	Cartilage	Kidney
Metabolism	696	2758	14,873	193,929
Biomechanics	769	3572	3996	16,275

The table gives the results of a literature search on PubMed in January 2003 using the keywords in the left-hand column together with each of the column headings. No sorting of references was performed.

ISSN: 1478-6362