Allium vegetables and risk of prostate cancer: a population-based study.

Intimate partner violence and adverse pregnancy outcomes: A population-based study.

Screening at 12 months has also been evaluated in a population-based study in Germany.

In a population-based study, 70% of patients actually fathered children.

However, the population-based studies have their own problems.

Vitamin supplement use and incident cataracts in a population-based study.

But, he added, "There have to be more population-based studies to support these conclusions."

Risk factors for stomach cancer: a population-based case-control study in Shanghai.

Identification of individuals with gonorrhoea within sexual networks: a population-based study.

Sporadic meningococcal disease in adults: results of a 5-year population-based study.