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	1.	[Daily physical activity during the nine compulsory school years improves academic school results in boys but not girls - a prospective controlled intervention study]. [electronic resource] by Karlsson, Magnus Fritz, Jesper Cöster, Marcus Karlsson, Caroline Rosengren, Björn Producer: 20190405 In: Lakartidningen vol. 116 Availability: No items available. Save to lists Add to cart (remove)
	2.	A seven-year physical activity intervention for children increased gains in bone mass and muscle strength. [electronic resource] by Fritz, Jesper Rosengren, Björn E Dencker, Magnus Karlsson, Caroline Karlsson, Magnus K Producer: 20170310 In: Acta paediatrica (Oslo, Norway : 1992) vol. 105 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Influence of a School-based Physical Activity Intervention on Cortical Bone Mass Distribution: A 7-year Intervention Study. [electronic resource] by Fritz, Jesper Duckham, Rachel L Rantalainen, Timo Rosengren, Björn E Karlsson, Magnus K Daly, Robin M Producer: 20180102 In: Calcified tissue international vol. 99 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	How does a physical activity programme in elementary school affect fracture risk? A prospective controlled intervention study in Malmo, Sweden. [electronic resource] by Cöster, Marcus E Fritz, Jesper Nilsson, Jan-Åke Karlsson, Caroline Rosengren, Björn E Dencker, Magnus Karlsson, Magnus K Producer: 20180102 In: BMJ open vol. 7 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	A 5-year exercise program in children improves muscle strength without affecting fracture risk. [electronic resource] by Fritz, Jesper Cöster, Marcus E Stenevi-Lundgren, Susanna Nilsson, Jan-Åke Dencker, Magnus Rosengren, Björn E Karlsson, Magnus K Producer: 20161213 In: European journal of applied physiology vol. 116 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)