TY - STAND AU - D. Gunnell AU - D. Irvine AU - L. Wise AU - C. Davies AU - R. Martin BT - Bmj DO - 10.1136/bmj.b3805 PY - 2009 EP - b3805 T2 - Bmj TI - Varenicline and suicidal behaviour: a cohort study based on data from the General Practice Research Database VL - 339 SN - 0959-8138 ER -