Search on: OBSERVATIONAL STUDIES AS TOPIC 
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Descriptor English:   Observational Studies as Topic 
Descriptor Spanish:   Estudios Observacionales como Asunto 
Descriptor Portuguese:   Estudos Observacionais como Assunto 
Synonyms English:   Observational Study as Topic  
Tree Number:   E05.318.760.250.750
N05.715.360.775.088.750
N06.850.520.450.250.500
SP5.001.012.038.049
Definition English:   Works about clinical studies 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). 
Indexing Annotation English:   for general design, methodology, economics, etc. of observational studies; a different heading OBSERVATIONAL STUDY is used for reports of a specific observational study
History Note English:   2014 
Allowable Qualifiers English:  
CL classification EC economics
ES ethics HI history
IS instrumentation LJ legislation & jurisprudence
MT methods PX psychology
ST standards SN statistics & numerical data
UT utilization VE veterinary
Record Number:   50295 
Unique Identifier:   D064887 

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