🌐EnglishEnglishDeutschEspañolFrançaisItalianoالعربيةفارسیไทย中文EntityQ295136· pop 9· linked from 105 articlesecological studystudies of risk-modifying factors on health or other outcomes based on populations defined either geographically or temporallyAvailable in 9 languagesEspañolFrançaisDeutschالعربيةHebrewLithuanianفارسیไทยvia Wikidata sitelinks · CC0ConnectionsprevalenceEntityincidenceEntityCategoriesDesign of experimentsEpidemiology