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Impact of the COVID-19 pandemic on clinical research activities: Survey of study participants and health care workers participating in a hypertension trial in Vietnam
Nguyen HL,
Tran OT,
Ha DA,
Phan VH,
Nguyen CT,
et al.
(2021)
Impact of the COVID-19 pandemic on clinical research activities: Survey of study participants and health care workers participating in a hypertension trial in Vietnam.
PLOS ONE 16(7): e0253664.
https://doi.org/10.1371/journal.pone.0253664