Name | Info | Provider | Link |
---|---|---|---|
subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=9357891.ui | |
free resource | Silverchair Information Systems | https://pubs.asahq.org/anesthesiology/article-lookup/doi/10.1097/00000542-199710000-00023 |