Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1744-165X(08)00038-3
Premature Babies free resource MedlinePlus Health Information https://medlineplus.gov/prematurebabies.html
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S1744-165X(08)00038-3