PMC:7105881 / 4716-4749 JSONTXT

{"project":"2_test","denotations":[{"id":"32265848-4298953-36510964","span":{"begin":1,"end":5},"obj":"4298953"},{"id":"32265848-4976345-36510965","span":{"begin":24,"end":28},"obj":"4976345"}],"text":" 1967; Kapikian et al., 1969). In"}