Reference:
Chellali, A., Ahn, W., Sankaranarayanan, G., Flinn J. T., Schwaitzberg, S. D., Jones, D. B., De, S., and Cao, C. G. (2014). Preliminary evaluation of the pattern cutting and the ligating loop virtual laparoscopic trainers..
Proceedings of the 2014 Annual Meeting of the Society of American Gastrointestinal Surgeons (SAGES). Salt Lake City, UT.