Trends of Dispensed Opioids in Catalonia, Spain, 2007–19 : A Population-Based Cohort Study of Over 5 Million Individuals
Objective: To characterize the trend of opioid use (number of users, dispensations and oral morphine milligram equivalents) in Catalonia (Spain). Design, setting, and participants: This population-based cohort study included all individuals aged 18 years or older, registered in the Information System for Research in Primary Care (SIDIAP), which covers >75% of the population in Catalonia, Spain, fr
