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štúdia pozorovacia
Subject h. štúdia pozorovacia Subject h. Observational Study Entry terms štúdia observačná
experiment prirodzený
pozorovanie naturalistické
pozorovanie v prirodzených podmienkach
pozorovanie terénne
práca v teréne
štúdia naturalistická observačnáEnglish X references Natural Experiment
Natural Experiment Study
Naturalistic Observation StudyScope note in English A work that reports on the results of a clinical study in which participants may receive diagnostic, therapeutic, or other types of interventions, but the investigator does not assign participants to specific interventions (as in an interventional study). 
subject heading
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