00594naa#a2200157#i#4500001002800000005001700028100004100045102000700086200014200093210004300235215001000278608006000288700003700348700003300385856001800418RU\AUS PUBLISHERS\bibl\575620241125194600.1##a20211202b2021####ek#y0rusy0150####ca##aRU1#aTHE IMPACT OF THE COVID-19 PANDEMIC ON THE RISK OF  CLINICAL TRIAL PROTOCOLS AMENDMENTSeСтатья/тезисы конференции1#aМельбурнcAUS PUBLISHERSd2021##a3 с.##aСтатья/тезисы конференции2local#1aEleskinagAnastasia Alexandrovna#1aFilippovagOlga Vsevolodovna4#aw-science.com