| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=12659299.ui | |
| subscription/membership/fee required | BioOne | https://doi.org/10.1645/0022-3395(2003)089[0027:IVSIOM]2.0.CO;2 | |
| subscription/membership/fee required | Silverchair Information Systems | https://meridian.allenpress.com/journal-of-parasitology/article-lookup/doi/10.1645/0022-3395(2003)089[0027:IVSIOM]2.0.CO;2 |