Name | Info | Provider | Link |
---|---|---|---|
subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=16509562.ui | |
subscription/membership/fee required | Southern Medical Association | http://dx.doi.org/10.1097/01.smj.0000199745.51112.fa |