Name Info Provider Link
subscription/membership/fee required Ingenta plc https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=34&issue=2&spage=584&aulast=Zhai
Cleft Lip and Palate free resource MedlinePlus Health Information https://medlineplus.gov/cleftlipandpalate.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=36166496.ui
subscription/membership/fee required Wolters Kluwer https://doi.org/10.1097/SCS.0000000000008853