|  | Up a level | 
    Tsokani, Sofia, Antoniou, Stavros A., Moustaki, Irini  ORCID: 0000-0001-8371-1251, López-Cano, Manuel, Antoniou, George A., Flórez, Ivan D., Silecchia, Gianfranco, Markar, Sheraz, Stefanidis, Dimitrios, Zanninotto, Giovanni, Francis, Nader K., Hanna, George H., Morales-Conde, Salvador, Bonjer, Hendrik Jaap, Brouwers, Melissa C. and Mavridis, Dimitrios 
  
(2021)
Guideline assessment project II: statistical calibration informed the development of an AGREE II extension for surgical guidelines.
    Surgical Endoscopy, 35 (8).
     4061 – 4068.
     ISSN 0930-2794
ORCID: 0000-0001-8371-1251, López-Cano, Manuel, Antoniou, George A., Flórez, Ivan D., Silecchia, Gianfranco, Markar, Sheraz, Stefanidis, Dimitrios, Zanninotto, Giovanni, Francis, Nader K., Hanna, George H., Morales-Conde, Salvador, Bonjer, Hendrik Jaap, Brouwers, Melissa C. and Mavridis, Dimitrios 
  
(2021)
Guideline assessment project II: statistical calibration informed the development of an AGREE II extension for surgical guidelines.
    Surgical Endoscopy, 35 (8).
     4061 – 4068.
     ISSN 0930-2794