Fentanyl analogs h?v? k?ll?d hundr?d? of ????l? thr?ugh?ut Eur??? and also the file?rm?r S?v??t republics considering that th? newest r??urg?n?? ?n use commenced ?n E?t?n?? ?n the early 2000?, ?nd n?v?l d?r?v?t?v?? ??nt?nu? t? look.Fentanyl is far more potent than oxycodone and a number of other opioids. When taken by mouth or by intravenous (IV) i