title: The relationship between chemical composition and geographical origin of cannabis.
mesh_terms: D000346:Afghanistan; D002188:Cannabis / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D007563:Jamaica; D007861:Lebanon; D009018:Morocco; D002052:Myanmar; D009549:Nigeria; D010154:Pakistan; D013019:South Africa