undefined method `each' for nil

PMC:7253482 / 100-245 JSONTXT 9 Projects

Annnotations TAB TSV DIC JSON TextAE

Id Subject Object Predicate Lexical cue ncbi_taxonomy_id
T2 23-27 Species denotes SARS NCBItxid:694009
T3 67-71 Species denotes MERS NCBItxid:1335626