TY - JOUR AU - Hochstatter, Karli AU - Nadel, Talia AU - Sisco, Edward AU - Laurel, Sarah AU - McDowell, Tori AU - Pyfrom, Elise AU - Appley, Meghan AU - Montero, Fernando C2 - Drug and Alcohol Dependence DA - 2025-06-22 04:06:00 DO - https://doi.org/10.1016/j.drugalcdep.2025.112763 LA - en M1 - 274 PB - Drug and Alcohol Dependence PY - 2025 TI - Characterizing rapid changes in the prevalence and concentration of key compounds in Philadelphia's fentanyl supply, March-November 2024 UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=959361 ER -