title: Access to safe parks helps increase physical activity among teenagers.
authors.affiliation: UCLA Center for Health Policy Research, Los Angeles, California, USA.
authors.forename: Susan H
authors.initials: SH
authors.lastname: Babey
authors.forename: E Richard
authors.initials: ER
authors.lastname: Brown
authors.forename: Theresa A
authors.initials: TA
authors.lastname: Hastert
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D002140:California; D004779:Environment Design; D015444:Exercise; D006801:Humans; D007899:Leisure Activities; D011633:Public Facilities; D012111:Residence Characteristics; D012424:Rural Population; D012449:Safety; D012959:Socioeconomic Factors; D013997:Time Factors; D014505:Urban Population