🌐EnglishEnglishDeutschEspañolPolskiРусский中文日本語EntityQ1552279· pop 6· linked from 223 articlesGreen CrossAlso known as GrünkreuzWorld War I chemical warfare pulmonary agentAvailable in 6 languagesDeutsch中文РусскийPolskiUkrainianvia Wikidata sitelinks · CC0ConnectionsT-1123Entitymustard gasEntityCategoriesChemical weapons in World War IPulmonary agents