{"id":"W2026928754","doi":"10.1016/s0009-9120(00)00076-x","title":"Transportation of maternal serum specimens for screening for chromosomal aneuploidies: effect of seasonal variations, distance, and freezing on the stability of the biological markers","year":2000,"lang":"en","type":"article","venue":"Clinical Biochemistry","topic":"Prenatal Screening and Diagnostics","field":"Medicine","cited_by":11,"is_retracted":false,"has_abstract":false,"ca_institutions":"North York General Hospital; Hôpital Saint-François d'Assise","funders":"","keywords":"Human chorionic gonadotropin; Radioimmunoassay; Gonadotropin; Andrology; Medicine; Aneuploidy; Estriol; Gynecology; Biology; Animal science; Obstetrics; Internal medicine; Hormone; Biochemistry","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":[0.001414522,0.000397155,0.0003195705,0.0003586148,0.0004554485,0.0006487209,0.0003805915,0.0003397331,0.0006661189],"category_scores_gemma":[0.002196756,0.000226511,0.000411873,0.0006594386,0.0003587749,0.0003135572,0.0001706819,0.000525882,0.0002838298],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004378258,"about_ca_system_score_gemma":0.0006920799,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004612098,"about_ca_topic_score_gemma":0.005525134,"domain_scores_codex":[0.9994187,0.0002252426,0.00005950217,0.0000981948,0.0001311948,0.000067228],"domain_scores_gemma":[0.9986975,0.0004521357,0.000308092,0.0001741007,0.0002911686,0.00007685297],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.008776087,0.0002891366,0.1563176,0.0001562774,0.0001632073,0.0003606512,0.0009623986,0.0007556414,0.8075711,0.0001960832,0.0004232005,0.0240287],"study_design_scores_gemma":[0.00007838789,0.004229042,0.461078,0.00005745929,0.0005080368,0.001195159,0.001404512,0.004067645,0.5232802,0.000233062,0.003814867,0.00005350634],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9944734,0.0008868987,0.003545694,0.0001722169,0.0000675457,0.00005011228,0.0002638976,0.00002597301,0.000514153],"genre_scores_gemma":[0.9929332,0.0006093146,0.004583342,0.0001327385,0.00002862452,0.00006670841,0.0007724571,0.00002486106,0.0008488455],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004612098,"threshold_uncertainty_score":0.009170473,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03319718652775419,"score_gpt":0.3120268049762104,"score_spread":0.2788296184484562,"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."}}