Reliable assessment of the effects of treatment on mortality and major morbidity, II: observational studies.
Observational studies and randomised trials can contribute complementary evidence about the effects of treatment on mortality and on major non-fatal outcomes. In particular, observational studies have an important role in the identification of large adverse effects of treatment on infrequent outcome...
| Main Authors: | , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2001
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