{"id":"W3192037069","doi":"10.1111/dar.13370","title":"A new quantitative drug checking technology for harm reduction: Pilot study in Vancouver, Canada using paper spray mass spectrometry","year":2021,"lang":"en","type":"article","venue":"Drug and Alcohol Review","topic":"Forensic Toxicology and Drug Analysis","field":"Pharmacology, Toxicology and Pharmaceutics","cited_by":83,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University; University of British Columbia; Biogate Laboratories (Canada); Vancouver Island University; Vancouver Coastal Health; University of Victoria","funders":"Natural Sciences and Engineering Research Council of Canada; Vancouver Island University; Health Canada; Thermo Fisher Scientific; University of Victoria","keywords":"Harm reduction; Mass spectrometry; Drug; Harm; Chromatography; Medicine; Chemistry; Pharmacology; Psychology; Family medicine","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":[0.002070666,0.0009691031,0.0005473468,0.0008953289,0.003241693,0.001187173,0.001899743,0.001070224,0.002200713],"category_scores_gemma":[0.002228323,0.0007291335,0.0004979771,0.0008793691,0.001558782,0.0003796105,0.001171388,0.001034053,0.0007390237],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01243076,"about_ca_system_score_gemma":0.02551446,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8468891,"about_ca_topic_score_gemma":0.9256736,"domain_scores_codex":[0.997272,0.0004017131,0.00006901393,0.0003466227,0.001517266,0.0003932536],"domain_scores_gemma":[0.9969801,0.000200104,0.0001548955,0.00009210107,0.002097784,0.0004750101],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.006256427,0.01938406,0.3920687,0.002204188,0.0004741786,0.007518904,0.01427953,0.004539821,0.3163385,0.0008083915,0.01170575,0.2244215],"study_design_scores_gemma":[0.001781143,0.04603615,0.76432,0.0003805578,0.0005029859,0.004140198,0.02341798,0.01588624,0.1008378,0.0004348926,0.04193821,0.0003238336],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9862115,0.0003047689,0.003473082,0.0005082166,0.00002826879,0.00386098,0.0008152485,0.0001536055,0.004644254],"genre_scores_gemma":[0.9583734,0.001223461,0.02257934,0.001198345,0.00002361475,0.0010229,0.001273816,0.0001365974,0.01416851],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1531109,"threshold_uncertainty_score":0.3080251,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1175795961193287,"score_gpt":0.4295799635138876,"score_spread":0.3120003673945589,"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."}}