Search on: INTERVENTION STUDIES 
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Descriptor English:   Intervention Studies 
Descriptor Spanish:   Estudios de Intervención 
Descriptor Portuguese:   Estudos de Intervenção 
Tree Number:   E05.318.760.565
N05.715.360.775.390
N06.850.520.450.565
Definition English:   Epidemiologic investigations designed to test a hypothesized cause-effect relation by modifying the supposed causal factor(s) in the study population. 
Indexing Annotation English:   "intervention" refers to a modification of the research design, not surg or pharmacol intervention: read MeSH definition; IM GEN only; coord NIM with specific study (IM); no qualif
History Note English:   90 
Record Number:   24752 
Unique Identifier:   D016033 

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