Name | Info | Provider | Link |
---|---|---|---|
subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19768521.ui | |
subscription/membership/fee required | Springer | https://link.springer.com/article/10.1007/s00726-009-0348-2 |