{"id":"W2039136377","doi":"10.1002/jmri.21912","title":"Effects of diffusion time on short‐range hyperpolarized <sup>3</sup>He diffusivity measurements in emphysema","year":2009,"lang":"en","type":"article","venue":"Journal of Magnetic Resonance Imaging","topic":"Atomic and Subatomic Physics Research","field":"Physics and Astronomy","cited_by":35,"is_retracted":false,"has_abstract":true,"ca_institutions":"St. Paul's Hospital; University of British Columbia","funders":"National Heart, Lung, and Blood Institute","keywords":"Effective diffusion coefficient; Nuclear medicine; Diffusion MRI; Diffusion; Magnetic resonance imaging; Nuclear magnetic resonance; Medicine; Diffusion-Weighted Magnetic Resonance Imaging; Radiology; Physics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"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":[0.0012322,0.0004289459,0.0002919548,0.0002700725,0.0001471011,0.0003525216,0.0001636525,0.0004755464,0.0009304686],"category_scores_gemma":[0.003737893,0.0002358615,0.0002289428,0.0001886364,0.000564841,0.0005558056,0.0002258657,0.0004112318,0.000152484],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002183607,"about_ca_system_score_gemma":0.0000858896,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003099544,"about_ca_topic_score_gemma":0.0004014122,"domain_scores_codex":[0.99958,0.0001691257,0.00003316511,0.00009394294,0.00008838582,0.0000354577],"domain_scores_gemma":[0.996224,0.002175875,0.0009878101,0.0002309186,0.0002028555,0.0001784218],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00514053,0.00009992061,0.03049666,0.0001722418,0.0001039896,0.0002450944,0.0001022221,0.0005147764,0.9535294,0.00003136971,0.0000366661,0.009527152],"study_design_scores_gemma":[0.00008303153,0.003876262,0.377124,0.00002791896,0.0001823631,0.001992681,0.00008275611,0.002601342,0.6134203,0.0001085193,0.0004735356,0.00002731855],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9966439,0.00144228,0.001634649,0.00003757119,0.000009156028,0.00001028231,0.00003834303,0.00002320184,0.0001605876],"genre_scores_gemma":[0.9979444,0.0003597562,0.001376356,0.00003131489,0.00001313238,0.00001026898,0.00005668588,0.00001727831,0.0001908196],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0012322,"threshold_uncertainty_score":0.006516635,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01153276978811163,"score_gpt":0.2611932545230959,"score_spread":0.2496604847349843,"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."}}