Research methodology

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

Field Hierarchy

Parent
Medicine 50.2M 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 112k papers	Birth rate 10.5k papers	Total fertility rate 9,834 papers	Levonorgestrel 8,369 papers
Intrauterine device 7,544 papers	Birth control 6,623 papers	Unintended pregnancy 6,185 papers	Vasectomy 5,396 papers
Emergency contraception 4,845 papers		Hormonal contraception 4,637 papers

Trends

Notes

History