Retrospective cohort study: adverse events at the start of the year

The paper “Rate of undesirable events at beginning of academic year: retrospective cohort study” by Guy Haller and colleagues (BMJ 2009;339:b3974, doi:10.1136/bmj.b3974). Abstract Objective—To determine whether an increase in the rate… Read this article >>

Research explained

Proprietary data analysis: suicidality and antidepressants

This month’s paper “Risk of suicidality in clinical trials of antidepressants in adults: analysis of proprietary data submitted to US Food and Drug Administration” by Marc Sto… Read this article >>

Research explained

Cluster randomised controlled trial: a booklet on chest infection in primary care

The paper “Effect of using an interactive booklet about childhood respiratory tract infections in primary care consultations on re… Read this article >>

Research explained

Prospective observational study: cervical cancer smears

The paper “Incidence of cervical cancer after several negative smear results by age 50: prospective observational study” by Matejka Rebolj and colleagues (BMJ 2009;338:b1354, … Read this article >>

Research explained

Qualitative research: palliative care in Africa

The paper “Meeting information needs of patients with incurable progressive disease and their families in South Africa and Uganda: multicentre qualitative study” by Selman and colleagues (BMJ 2009;338:b1326, doi:10.1136/bmj.b1326). … Read this article >>