{"id":"W2978817546","doi":"10.1016/j.drugalcdep.2019.107589","title":"Drug checking services at music festivals and events in a Canadian setting","year":2019,"lang":"en","type":"article","venue":"Drug and Alcohol Dependence","topic":"Forensic Toxicology and Drug Analysis","field":"Pharmacology, Toxicology and Pharmaceutics","cited_by":65,"is_retracted":false,"has_abstract":false,"ca_institutions":"St. Paul's Hospital; University of British Columbia, Okanagan Campus; University of British Columbia; Interior Health; British Columbia Centre on Substance Use","funders":"Health Canada","keywords":"Harm reduction; Fentanyl; Drug; Stimulant; Medicine; Psychiatry; Psychology; Pharmacology; Family medicine; Human immunodeficiency virus (HIV)","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.001302137,0.0002547266,0.0003480354,0.0002650782,0.0003731627,0.00002039909,0.000213606,0.0002580075,0.0007520755],"category_scores_gemma":[0.00003677503,0.0002491811,0.00005491251,0.0002591119,0.0001388032,0.0002231861,0.0001875804,0.0006497658,0.0002065867],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001232484,"about_ca_system_score_gemma":0.0001152428,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.04367971,"about_ca_topic_score_gemma":0.3842261,"domain_scores_codex":[0.9979178,0.0003441384,0.0003105895,0.00056216,0.0001434852,0.0007218463],"domain_scores_gemma":[0.9988533,0.0003544746,0.0001227757,0.0001878972,0.00003719032,0.0004443807],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006295979,0.00003430342,0.9886637,0.0001047243,0.00007934425,0.00009197147,0.003292385,0.0002149168,0.002629353,0.0002635043,0.000294326,0.00426849],"study_design_scores_gemma":[0.004786536,0.00005889219,0.9224111,0.0003324162,0.0003672682,0.000318225,0.003714988,0.02932657,0.01043841,0.001891406,0.02512278,0.001231363],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9921926,0.001513659,5.294658e-7,0.001200903,0.0004342325,0.0003070823,0.00002951393,0.00003777342,0.004283652],"genre_scores_gemma":[0.9928758,0.0002113494,0.00005265796,0.002735723,0.00006462913,0.00002112403,0.00002188419,0.00001770027,0.003999101],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3405464,"threshold_uncertainty_score":0.9999961,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03681650902617392,"score_gpt":0.3559334351120774,"score_spread":0.3191169260859035,"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."}}