Observational study

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

Field Hierarchy

Parent
Medicine 50.2M papers	Mathematics 22.2M papers	Internal medicine 21M papers	Pathology 9.2M papers
Statistics 6.2M papers
Current
Observational study 226k papers
Child
Marginal structural model 1,223 papers	Strengthening the reporting of observational studies in epidemiology 1,198 papers	Observational methods in psychology 1,168 papers	Women's Health Initiative 1,087 papers

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History