PT - JOURNAL ARTICLE ED - , TI - Q&A with National Park Service Director Jarvis: ‘The outdoors are good for you’: Promoting positive connections between parks, public health DP - 2011 Sep 01 TA - The Nation's Health PG - 9--9 VI - 41 IP - 7 4099 - http://www.thenationshealth.org/content/41/7/9.short 4100 - http://www.thenationshealth.org/content/41/7/9.full SO - Nations Health2011 Sep 01; 41