PMC:7354481 / 34418-34435
Annnotations
2_test
{"project":"2_test","denotations":[{"id":"32512929-12640199-144200744","span":{"begin":3,"end":5},"obj":"12640199"},{"id":"32512929-12937158-144200745","span":{"begin":6,"end":8},"obj":"12937158"}],"text":"n [66,67]. Opioid"}