Name Info Provider Link
subscription/membership/fee required American Psychological Association http://content.apa.org/journals/ccp/68/2/258
Chemical Emergencies free resource MedlinePlus Health Information https://medlineplus.gov/chemicalemergencies.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=10780126.ui