Helm R4 crosswalk: ClinicalTrials.gov stopped-reason taxonomy (2016-2026)
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Crosswalk dos motivos brutos de parada (whyStopped) de trials interrompidos do ClinicalTrials.gov -> classes canonicas, com cobertura, gaps e colisoes. Cobertura: 75,06% dos trials (24.132/32.151); 16 classes; fonte: ClinicalTrials.gov API v2 (dominio publico).
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Zenodo创建时间：
2026-09-07
