Alexanderson Kristina, Hagberg Jan, & Löfgren Anna. (2010). What physicians want to learn about sickness certification: Analyses of questionnaire data from 4019 physicians. BMC.

Alexanderson Kristina, Hagberg Jan, and Löfgren Anna. What Physicians Want to Learn About Sickness Certification: Analyses of Questionnaire Data from 4019 Physicians. BMC, 2010.

Alexanderson Kristina, et al. What Physicians Want to Learn About Sickness Certification: Analyses of Questionnaire Data from 4019 Physicians. BMC, 2010.