Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой
Нэвтрэх / Бүртгүүлэх
Background: Drug addiction is a major health problem for modern human communities. The earliest historical evidence of opium use can be found in the writings of Theophrastus in the 3rd century BC. Since then, opium use and