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. 2023 Jun 1;14:1121796. doi: 10.3389/fphar.2023.1121796

TABLE 4.

Example of adverse drug reaction corpus annotation.

Word Label Word Label Word Label
B-DRN O O
I-DRN O O
I-DRN O B-ADR
I-DRN O I-ADR
I-DRN O , O
: O O O
B-COM O O
I-COM O B-ADR
I-COM O I-ADR
I-COM O O