{"id":"W2136426537","doi":"10.1016/j.drugpo.2008.02.016","title":"Fentanyl use among street drug users in Toronto, Canada: Behavioural dynamics and public health implications","year":2008,"lang":"en","type":"article","venue":"International Journal of Drug Policy","topic":"Opioid Use Disorder Treatment","field":"Medicine","cited_by":43,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Toronto; Mount Sinai Hospital; Centre for Addiction and Mental Health","funders":"Canadian Institutes of Health Research; Michael Smith Health Research BC; Public Health Agency of Canada","keywords":"Fentanyl; Public health; Medicine; Psychological intervention; Medical prescription; Substance abuse; Drug overdose; Heroin; Environmental health; Medical emergency; Poison control; Psychiatry; Drug; Nursing; Pharmacology","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005940976,0.0002087171,0.0003168115,0.001301971,0.003802173,0.001762855,0.001006903,0.001094215,0.002674276],"category_scores_gemma":[0.003479937,0.0004163105,0.0004935774,0.003857578,0.001414951,0.0009045968,0.0009989443,0.00130808,0.0001858836],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.04464497,"about_ca_system_score_gemma":0.04215835,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9947951,"about_ca_topic_score_gemma":0.9975205,"domain_scores_codex":[0.9989028,0.0001578148,0.00008055088,0.00008247901,0.0003030516,0.0004733334],"domain_scores_gemma":[0.9966813,0.0004038411,0.0007904859,0.00005099032,0.00104006,0.00103327],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001529295,0.0001511114,0.9840295,0.00007042084,0.00003348253,0.0002188159,0.007199374,0.0001622848,0.0002934375,0.0003518977,0.001181307,0.006155421],"study_design_scores_gemma":[0.000006444709,0.00003128078,0.9895064,0.00003194895,0.00001380088,0.00004441344,0.009438365,0.0002461564,0.00004506099,0.00003555818,0.000587296,0.00001320886],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9955021,0.0006527986,0.00003800384,0.001928464,0.00001020865,0.00002708377,0.0006725052,0.000003102149,0.001165843],"genre_scores_gemma":[0.9976592,0.0007793992,0.00008321861,0.0002829285,0.000009936306,0.00001087963,0.0002307005,0.000002931609,0.0009407232],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04464497,"threshold_uncertainty_score":0.3239234,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02629244946096794,"score_gpt":0.3182083346035267,"score_spread":0.2919158851425587,"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."}}