PMC:7195088 / 72477-72792 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T497","span":{"begin":0,"end":315},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, even when rapidly implemented during evolving pandemics, RCT are usually not immediately available (e.g. even if accelerated, local approval still and correctly requires time to guarantee ethical standards), and also many patients are usually excluded from RCT because of strict selection criteria [86,87]."}

{"project":"2_test","denotations":[{"id":"32360444-29240890-22369826","span":{"begin":308,"end":310},"obj":"29240890"},{"id":"32360444-31607179-22369827","span":{"begin":311,"end":313},"obj":"31607179"}],"text":"However, even when rapidly implemented during evolving pandemics, RCT are usually not immediately available (e.g. even if accelerated, local approval still and correctly requires time to guarantee ethical standards), and also many patients are usually excluded from RCT because of strict selection criteria [86,87]."}