@article{Nurcombe_2007 author = {Victor Nurcombe and Simon M. Cool}, title = {Heparan Sulfate Control of Proliferation and Differentiation in the Stem Cell Niche}, journal = {Critical Reviews™ in Eukaryotic Gene Expression}, issn = {1045-4403}, year = {2007}, volume = {17}, number = {2}, pages = {159--172} }