| Name | Info | Provider | Link |
|---|---|---|---|
| Folic Acid | free resource | MedlinePlus Health Information | https://medlineplus.gov/folicacid.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=1618907.ui | |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/1618907/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/1618907 | |
| subscription/membership/fee required | Silverchair Information Systems | https://rupress.org/jcb/article-lookup/doi/10.1083/jcb.118.1.63 |