title: Improving school ethos may reduce substance misuse and teenage pregnancy.
authors: Centre for Research on Drugs and Health Behaviour, London School of Hygiene and Tropical Medicine, London WC1E 7HT. chris.bonell@lshtm.ac.uk
authors: C
authors: C
authors: Bonell
authors: A
authors: A
authors: Fletcher
authors: J
authors: J
authors: McCambridge
mesh_terms: D000293:Adolescent; D016497:Adolescent Health Services / Q000592:standards*; D005260:Female; D015438:Health Behavior; D006801:Humans; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000517:prevention & control*; D012309:Risk-Taking; D012572:School Health Services / Q000592:standards*; D019966:Substance-Related Disorders / Q000517:prevention & control*