TY - JOUR TI - Thirteen-year-old approved school boys in 1962 T2 - Home Office research study T3 - Home Office research study AU - Field, Elizabeth A2 - Hammond, W.H. A2 - Tizard, J. A2 - Hammond, W.H. A2 - Tizard, J. CY - London PB - Her Majesty's Office PY - 1971 LA - English ER -