Observational study

https://www.wikidata.org/wiki/Q818574

Field Hierarchy

Parent
Medicine 48.2M papers	Mathematics 21.1M papers	Internal medicine 20.6M papers	Pathology 9M papers
Statistics 6M papers
Current
Observational study 224k papers
Child
Strengthening the reporting of observational studies in epidemiology 1,204 papers	Marginal structural model 1,181 papers	Observational methods in psychology 1,167 papers	Women's Health Initiative 1,085 papers

Trends

Notes

History