Research methodology

https://www.wikidata.org/wiki/Q185698

Field Hierarchy

Parent
Medicine 50.4M papers	Sociology 13.6M papers	Population 4.6M papers	Environmental health 4M papers
Demography 3.1M papers
Current
Research methodology 134k papers
Child
Family planning 113k papers	Birth rate 10.6k papers	Total fertility rate 9,856 papers	Levonorgestrel 8,378 papers
Intrauterine device 7,567 papers	Birth control 6,627 papers	Unintended pregnancy 6,209 papers	Vasectomy 5,419 papers
Emergency contraception 4,863 papers		Hormonal contraception 4,646 papers

Trends

Notes

History