The following publications are possibly variants of this publication:
- Onto-Tools, the toolkit of the modern biologist: Onto-Express, Onto-Compare, Onto-Design and Onto-TranslateSorin Draghici, Purvesh Khatri, Pratik Bhavsar, Abhik Shah, Stephen A. Krawetz, Michael A. Tainsky. nar, 31(13):3775-3781, 2003.
- Onto-Tools: new additions and improvements in 2006Purvesh Khatri, Calin Voichita, Khalid Kattan, Nadeem Ansari, Avani Khatri, Constantin Georgescu, Adi L. Tarca, Sorin Draghici. nar, 35(Web-Server-Issue):206-211, 2007. [doi]