A Multi-pass Sieve for Clinical Concept Normalization Yuxia Wang author Brian Hur author Karin Verspoor author Timothy Baldwin author 2020 text journal article Traitement Automatique des Langues continuing ATALA (Association pour le Traitement Automatique des Langues) France periodical academic journal wang-etal-2020-multi-pass https://aclanthology.org/2020.tal-2.3/ 2020 61 2 41 65