DOI: 10.1055/s-00032056

Sports Medicine International Open

References

Aaltonen S, Leskinen T, Morris T, Alen M, Kaprio J, Liukkonen J, Kujala UM.
Motives for and barriers to physical activity in twin pairs discordant for leisure time physical activity for 30 years.

Int J Sports Med 2012;
3: 157-163

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