Piechaczek, M., Smolik, M., Rojek, S., Bystrowska, B. (2022). Metabolism testing methods as exemplified by selected new psychoactive substances (NPSs). Problems of Forensic Sciences (Z Zagadnień Nauk Sądowych), 2022, 121-135. doi: https://doi.org/10.4467/12307483PFS.20.007.15447