{"id":"W2895432829","doi":"10.1111/dar.12864","title":"Urine drug screening for early detection of unwitting use of fentanyl and its analogues among people who inject heroin in Sydney, Australia","year":2018,"lang":"en","type":"article","venue":"Drug and Alcohol Review","topic":"Opioid Use Disorder Treatment","field":"Medicine","cited_by":18,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Drug and Alcohol Research Centre; National Health and Medical Research Council; Medical Research Council; National Drug Research Institute; Australian Government; Burnet Institute","keywords":"Heroin; Fentanyl; Drug; Urine; Medicine; Emergency medicine; Psychiatry; Anesthesia; Internal medicine","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003632176,0.0001566719,0.0006322731,0.000112653,0.00004236769,0.00001120649,0.00003598006,0.00003504627,0.000009390179],"category_scores_gemma":[0.0001522576,0.0001287297,0.00008095547,0.0002713308,0.00005750802,0.0001500922,0.00003741616,0.00008169131,0.000001063434],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001759029,"about_ca_system_score_gemma":0.00001737089,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001536773,"about_ca_topic_score_gemma":0.0008318035,"domain_scores_codex":[0.9989339,0.00006610889,0.0004481678,0.0002457935,0.0001297475,0.0001763195],"domain_scores_gemma":[0.9993489,0.00009367039,0.0002098156,0.0001572724,0.0001147733,0.00007560971],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001242657,0.0001714187,0.9538715,0.01221808,0.0001502088,0.000005090155,0.003323616,8.052324e-7,0.002439365,0.00002633511,0.0002019721,0.02746728],"study_design_scores_gemma":[0.002095107,0.0004547829,0.9629388,0.01878639,0.0004345949,0.00001408546,0.0004460589,0.0002932792,0.01391989,0.00001917387,0.000424538,0.0001732904],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9702164,0.02844292,0.00002517954,0.0001569576,0.00002814319,0.001085097,0.00002098338,0.00001235278,0.00001198757],"genre_scores_gemma":[0.982779,0.01636878,0.0004390142,0.0000481623,0.00003469754,0.00004621781,0.0000222109,0.00001696168,0.0002449334],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02729399,"threshold_uncertainty_score":0.5249444,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05703996270748701,"score_gpt":0.3317332400670921,"score_spread":0.2746932773596051,"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."}}