| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Australasian Medical Publishing Company | https://www.mja.com.au/doi/10.5694/mja14.01655 | |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=26021358.ui | |
| subscription/membership/fee required | Wiley | https://doi.org/10.5694/mja14.01655 |