Name Info Provider Link
subscription/membership/fee required HighWire https://thorax.bmj.com/lookup/pmidlookup?view=long&pmid=18723582
Children's Health free resource MedlinePlus Health Information https://medlineplus.gov/childrenshealth.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=18723582.ui
Children's Health free resource MedlinePlus Consumer Health Information https://medlineplus.gov/childrenshealth.html