Observational study

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

Field Hierarchy

Parent
Medicine 49.4M papers	Mathematics 21.8M papers	Internal medicine 20.6M papers	Pathology 9.1M papers
Statistics 6.1M papers
Current
Observational study 219k papers
Child
Marginal structural model 1,191 papers	Strengthening the reporting of observational studies in epidemiology 1,168 papers	Observational methods in psychology 1,145 papers	Women's Health Initiative 1,076 papers

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History