Name | Info | Provider | Link |
---|---|---|---|
subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=2204100.ui | |
subscription/membership/fee required | Springer | https://dx.doi.org/10.2165/00007256-199010020-00002 |