Use of calcium channel blockers and risk of suicide: ecological findings confirmed in population based cohort study

Objective: To investigate possible associations between use of cardiovascular drugs and suicide.

Why do children have chronic abdominal pain, and what happens to them when they grow up? Population based cohort study

Objective: To test the hypotheses that children with abdominal pain have anxious parents and come from families with high rates of physical illness and that they grow up to suffer from high rates of medically unexplained symptoms and psychiatric disorders.

Differences in late fetal death rates in association with determinants of small for gestational age fetuses: population based cohort study

Objective: To examine differences in late fetal death rates in association with determinants of small for gestational age fetuses.

Poverty, unemployment, and common mental disorders: population based cohort study

Objective: To determine whether poverty and unemployment increase the likelihood of or delay recovery from common mental disorders, and whether these associations could be explained by subjective financial strain.

Population based cohort study of the association between alcohol intake and cancer of the upper digestive tract

Objective: To examine the relation between different types of alcoholic drinks and upper digestive tract cancers (oropharyngeal and oesophageal).