http://ub6bby4x3ffwtcjuhktjrjqcodznpumnujto7vmlyrx7yqrq4so5avid.onion/dir/drugs.html
                                
                                
                                                                            Pharmaceutical drugs are often classified into drug classes—groups of related drugs that have similar chemical structures, the same mechanism of action (binding to the same biological target), a related mode of action, and that are used to treat the same disease. The Anatomical Therapeutic Chemical Classification System (ATC), the most widely used drug classification system, assigns drugs a unique ATC code, which is an alphanumeric code that assigns it to specific drug...