Angielski ⇄ Angielski Rosyjski

observational trial akcenty
farm.	наблюдательное исследование (Alexander Demidov)
Angielski tezaurus
observational trial
med.	A type of clinical trial. In observational trials, researchers do not assign participants to a treatment or intervention. Instead, the researchers observe participants over time to determine health outcomes. zob. też clinical trial