Predicting the duration of sickness absence spells due to back pain: a population-based study from Sweden
Annina Ropponen, Katalin Gémes, Paolo Frumento, Gino Almondo, Matteo Bottai, Emilie Friberg, Kristina Alexanderson
Occupational and Environmental Medicine Feb 2020, 77 (2) 115-121; DOI: 10.1136/oemed-2019-106129