PMC:7551987 / 4510-4708 JSONTXT

{"project":"2_test","denotations":[{"id":"32971954-25087040-143921941","span":{"begin":56,"end":57},"obj":"25087040"},{"id":"32971954-9744106-143921942","span":{"begin":195,"end":196},"obj":"9744106"}],"text":"of the life cycle often comes at the expense of others [2,16].\nTheoretical studies have explored varying evolutionary relationships between heightened virulence and extreme pathogen longevity [4,5,1"}