TY - GEN AU - Fleiz,Clara AU - Arredondo,Jaime AU - Chavez,Alfonso AU - Pacheco,Lilia AU - Segovia,Luis A AU - Villatoro,Jorge A AU - Cruz,Silvia L AU - Medina-Mora,MarĂ­a E AU - de la Fuente,Juan R TI - Fentanyl is used in Mexico's northern border: current challenges for drug health policies SN - 1360-0443 PY - 2021///0217 KW - Drug Contamination KW - Fentanyl KW - isolation & purification KW - Heroin KW - chemistry KW - Humans KW - Mexico KW - Reagent Strips KW - Substance Abuse, Intravenous N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1111/add.14934 ER -