Okdahl, T; Emmanuel, A; Morlion, B; Farmer, A; Varrassi, G; Drewes, AM; (2023) Recommendations for the management of opioid-induced constipation - how to improve usability in clinical practice. Expert Review of Gastroenterology and Hepatology , 17 (10) pp. 975-983. 10.1080/17474124.2023.2267441.