| Name | Info | Provider | Link |
|---|---|---|---|
| free resource | GlyGen glycoinformatics resource | https://glygen.org/publication/PubMed/19470054/ | |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19470054.ui | |
| subscription/membership/fee required | Wiley | https://doi.org/10.1111/j.1468-3083.2009.03180.x |