PMC:3543929 / 2713-2908 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/3543929","sourcedb":"PMC","sourceid":"3543929","source_url":"https://www.ncbi.nlm.nih.gov/pmc/3543929","text":"where the grammar consists of a start symbol (i.e., S), two terminal symbols (i.e., a, t), three non-terminal symbols (i.e., S, A, B), and three production rules (i.e., S → ABBB, A → at, B → At).","tracks":[]}