The medical aspect of the opium question   Creator:   Conference on the Medical Aspect of the Opium Question London Society for the Suppression of the Opium Trade Richardson, Benjamin Ward, 1828-1896 Publication Date:   [s.n.], [ca.1892] Type:   Book Format:   21cm, 38 p. Source Institution:   SOAS University of London Holding Location:   Archives and Special Collections Subject Keyword:   Conference on the Medical Aspect of the Opium Question -- 1892 -- London) Opium trade -- China -- History -- 19th century 鸦片贸易 -- 中国 -- 历史 -- 19世纪 鴉片貿易 -- 中國 -- 歷史 -- 19世紀 Opium trade -- India -- History -- 19th century Spatial Coverage:   Asia -- China 亚洲 -- 中国 亞洲 -- 中國 Language:   English The medical aspect of the opium question