🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ1331083· pop 20· linked from 802 articleshuman subject research projectsystematic, scientific investigation that involves human beings as research subjectsConnectionsinterviewEntityUnit 731ConceptCategoriesClinical researchEthics and statisticsHuman subject researchHuman subject research in the United StatesResearch ethics