Griffiths, E., Hodson, J., Vohra, R., Marriott, P., Katbeh, T., Zino, S., . . . Segaran, A. (2018). Utilisation of an operative difficulty grading scale for laparoscopic cholecystectomy. Springer Verlag.

Griffiths, E., J. Hodson, R. Vohra, P. Marriott, T. Katbeh, S. Zino, A. Nassar, and A. Segaran. Utilisation of an Operative Difficulty Grading Scale for Laparoscopic Cholecystectomy. Springer Verlag, 2018.

Griffiths, E., et al. Utilisation of an Operative Difficulty Grading Scale for Laparoscopic Cholecystectomy. Springer Verlag, 2018.