Five-year prognosis and impact of adolescent knee pain: a prospective population-based cohort study of 504 adolescents in Denmark.
Michael Skovdal RathleffSinead HoldenChristian Lund StraszekJens Lykkegaard OlesenMartin Bach B JensenEwa M RoosPublished in: BMJ open (2019)
NCT02873143.