{"id":"W4309918081","doi":"10.1111/dar.13580","title":"Examining fentanyl and its analogues in the unregulated drug supply of British Columbia, Canada using drug checking technologies","year":2022,"lang":"en","type":"article","venue":"Drug and Alcohol Review","topic":"Forensic Toxicology and Drug Analysis","field":"Pharmacology, Toxicology and Pharmaceutics","cited_by":19,"is_retracted":false,"has_abstract":true,"ca_institutions":"Geoscience BC; Vancouver Coastal Health; Provincial Health Services Authority; British Columbia Centre on Substance Use; University of British Columbia","funders":"Health Canada; National Institute on Drug Abuse; Vancouver Foundation","keywords":"Fentanyl; Medicine; Harm reduction; Point of care; Anesthesia; Pharmacology; Family medicine; Pathology","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002327556,0.0001875747,0.0006713753,0.00009015607,0.0005889425,0.00003286821,0.0003705517,0.00008701793,0.0002993024],"category_scores_gemma":[0.0001113151,0.0002168056,0.00007563829,0.0007970834,0.0003138062,0.00009260622,0.0003033456,0.000896835,6.449881e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001131818,"about_ca_system_score_gemma":0.0002293573,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.1591955,"about_ca_topic_score_gemma":0.563854,"domain_scores_codex":[0.9972418,0.001087905,0.0005989365,0.0004187574,0.000243181,0.0004094422],"domain_scores_gemma":[0.9988594,0.0005056111,0.0003011761,0.0002108481,0.0000553839,0.00006759282],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001093891,0.0006230791,0.5572576,0.005578085,0.001354222,0.00203409,0.005291198,0.001063509,0.003277461,0.0005140232,0.149812,0.2730854],"study_design_scores_gemma":[0.01485708,0.0004738569,0.2344907,0.01139623,0.01095982,0.007107195,0.1049691,0.03590253,0.005673651,0.006134304,0.5621427,0.005892863],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7745439,0.223169,2.568978e-7,0.001325071,0.0001655632,0.0004167459,0.0001775169,0.00003365402,0.0001682094],"genre_scores_gemma":[0.9610273,0.03580581,0.00002768323,0.002371844,0.00002056919,0.00007300691,0.0000526165,0.00001491693,0.0006062762],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4123307,"threshold_uncertainty_score":0.8841076,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08461828591278164,"score_gpt":0.3565768001883466,"score_spread":0.271958514275565,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}