id	keyword
artofmedicineimsj-35	khorezm
artofmedicineimsj-35	century
artofmedicineimsj-35	trade
artofmedicineimsj-35	silver
artofmedicineimsj-35	cities
artofmedicineimsj-35	products
artofmedicineimsj-35	urgench
artofmedicineimsj-35	ibn