https://www.nichd.nih.gov/sids/nursecepartners/Pages/index.aspx

https://www.nichd.nih.gov/sts/materials/Pages/default.aspx

https://www.dshs.texas.gov/Health_Professionals.aspx

https://www.cdc.gov/sids/

https://www.aap.org/

https://www.aap.org/en-us/advocacy-and-policy/state-advocacy/Pages/State-Advocacy.aspx

Metro Health Letter

https://cribsforkids.org/hospitalcertification/

https://cribsforkids.org/national-public-safety-initiative/

http://www.purplecrying.info/sub-pages/what-is-the-period-of-purple-crying/components-of-the-program.php