Pharmacoepidemiology Studies: what Levels of Evidence and how can They be Reached?

GRADE guidelines: 3. Rating the quality of evidence

Howard Balshem, Mark Helfand, Holger J. Schünemann et al. · Journal of Clinical Epidemiology · 2011 · 7.7K citations

Reliability, Grade Guidelines, Quality Criterion +7

The environment and disease: association or causation?

Austin Bradford Hill · Journal of the Royal Society of Medicine · 2015 · 7.3K citations · Full text

Environmental Health, Environmental Epidemiology, Environmental Factors +3

The Environment and Disease: Association or Causation?

Austin Bradford Hill · Proceedings of the Royal Society of Medicine · 1965 · 6.8K citations · Full text

Environmental Health, Environmental Epidemiology, Environmental Factors +3

Adverse drug reactions: definitions, diagnosis, and management

I. Ralph Edwards, Jeffrey K Aronson · The Lancet · 2000 · 2.9K citations

Drug Safety, Drug Hypersensitivity, Adverse Drug Reactions +7

The evolution of evidence hierarchies: what can Bradford Hill's ‘guidelines for causation’ contribute?

Jeremy Howick, Paul Glasziou, Jeffrey K Aronson · Journal of the Royal Society of Medicine · 2009 · 215 citations · Full text

Evidence-based Medicine, Law, Bradford Hill +29