{"id":"W2131611242","doi":"10.1118/1.3125662","title":"First MR images obtained during megavoltage photon irradiation from a prototype integrated linac‐MR system","year":2009,"lang":"en","type":"article","venue":"Medical Physics","topic":"Advanced MRI Techniques and Applications","field":"Medicine","cited_by":324,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Linear particle accelerator; Isocenter; Imaging phantom; Physics; Magnet; Electromagnetic shielding; Optics; Nuclear magnetic resonance; Nuclear medicine; Beam (structure); Medicine","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001032204,0.0001909108,0.0003347561,0.0000361594,0.0001405564,0.00001711906,0.0001449747,0.0001603233,0.00007699132],"category_scores_gemma":[0.0001344037,0.0001557613,0.00009192225,0.0003296145,0.00006606489,0.00009721154,0.00002670378,0.0003283398,0.0000465797],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002125859,"about_ca_system_score_gemma":0.000104358,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001085924,"about_ca_topic_score_gemma":0.000004986662,"domain_scores_codex":[0.9986349,0.00001878435,0.0003172517,0.0003272829,0.0004533431,0.0002484883],"domain_scores_gemma":[0.9990782,0.00005611286,0.000116642,0.0003805417,0.0001158354,0.0002526442],"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":[0.004457915,0.009308559,0.008857681,0.003404537,0.0004658254,0.001609153,0.004101008,0.0004207789,0.5575028,0.04427163,0.02024008,0.34536],"study_design_scores_gemma":[0.009572076,0.002134176,0.04957433,0.00570853,0.0005379784,0.0001049172,0.0006607383,0.05485259,0.8109674,0.024566,0.03975299,0.001568304],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.4484387,0.000304117,0.5317062,0.006853554,0.0001613058,0.00450804,0.0001119343,0.002196148,0.005719978],"genre_scores_gemma":[0.9928924,0.00006675398,0.005318795,0.0003769915,0.000597091,0.0002892879,0.0002243462,0.00002769776,0.0002065976],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.5444537,"threshold_uncertainty_score":0.6351762,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01048515461525657,"score_gpt":0.27845973892082,"score_spread":0.2679745843055635,"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."}}