Impact of opioid-free analgesia on pain severity and patient satisfaction after discharge from surgery: multispecialty, prospective cohort study in 25 countries

- Xu, William; Liu, Gordon; Soh, Rachel Ting Qian; Saeed, Umar; Abdulwahed, Eman; Farrell, Michael; Wright, Deborah; Martin, Jennifer; Pockney, Peter; Varghese, Chris; Wells, Cameron; Smith, Nicolas; Windsor, John; Gaborit, Lorane; Goh, Sarah; Basam, Aya; Elhadi, Muhammed