| Name | Info | Provider | Link |
|---|---|---|---|
| free resource | GlyGen glycoinformatics resource | https://glygen.org/publication/PubMed/17957493/ | |
| Amino Acid Metabolism Disorders | free resource | MedlinePlus Health Information | https://medlineplus.gov/aminoacidmetabolismdisorders.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=17957493.ui | |
| subscription/membership/fee required | Wiley | https://doi.org/10.1007/s10545-007-0667-y |