PT - JOURNAL ARTICLE AU - John Owiti AU - Kamaldeep Singh Bhui TI - The reciprocal relationship between physical activity and depression in older European adults AID - 10.1136/ebnurs-2011-100294 DP - 2012 Apr 01 TA - Evidence Based Nursing PG - ebnurs-2011-100294 4099 - http://ebn.bmj.com/content/early/2012/04/24/ebnurs-2011-100294.short 4100 - http://ebn.bmj.com/content/early/2012/04/24/ebnurs-2011-100294.full