| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | S. Karger AG, Basel, Switzerland | https://doi.org/10.1159/000417066 | |
| Breastfeeding | free resource | MedlinePlus Health Information | https://medlineplus.gov/breastfeeding.html |
| Breastfeeding | free resource | MedlinePlus Consumer Health Information | https://medlineplus.gov/breastfeeding.html |