{"id":"W1969734738","doi":"10.1080/16066350500150624","title":"Heroin use and barriers to treatment in street-involved youth","year":2005,"lang":"en","type":"article","venue":"Addiction Research & Theory","topic":"Homelessness and Social Issues","field":"Health Professions","cited_by":29,"is_retracted":false,"has_abstract":true,"ca_institutions":"Hospital for Sick Children; University of Toronto; Centre for Addiction and Mental Health","funders":"","keywords":"Heroin; Psychiatry; Drug treatment; Substance abuse; Rehabilitation; Substance use; Drug; Psychology; Addiction treatment; Medicine; Physical therapy","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0004121269,0.0001040822,0.0001948986,0.0005714715,0.0009305807,0.0009112101,0.0002233126,0.0003000929,0.002053875],"category_scores_gemma":[0.002170443,0.0002281816,0.0001964618,0.0005067862,0.000527782,0.0003984785,0.0005562049,0.0004513668,0.0001003909],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001130209,"about_ca_system_score_gemma":0.001248362,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.06262518,"about_ca_topic_score_gemma":0.1392577,"domain_scores_codex":[0.9995129,0.0001340053,0.00003202877,0.00002006352,0.0001125042,0.0001885277],"domain_scores_gemma":[0.9989052,0.0001886121,0.0004241202,0.00001975454,0.0001225673,0.0003397386],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"qualitative","study_design_scores_codex":[0.00002125399,0.00007589255,0.9884249,0.00001894972,0.000007358428,0.0002114644,0.006956663,0.00001298528,0.0001200716,0.00007856426,0.0001156654,0.003956198],"study_design_scores_gemma":[0.000005351606,0.0001013442,0.9776564,0.00005104477,0.00001154954,0.0004234659,0.02101681,0.0001051759,0.00007786441,0.0000396201,0.000507483,0.000003874955],"study_design_candidate":"qualitative","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9996641,0.00007021095,0.000006385532,0.00004241021,0.000001033282,0.000002696131,0.00001017642,4.377954e-7,0.00020264],"genre_scores_gemma":[0.9997383,0.0001114497,0.00001267502,0.00001475807,0.000001259865,0.000002346567,0.00001451958,3.926678e-7,0.0001042239],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.06262518,"threshold_uncertainty_score":0.1245213,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1419070128937432,"score_gpt":0.4595753345294352,"score_spread":0.317668321635692,"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."}}