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Table 1 Summary of terms included in the PubMed search

From: Searching for observational studies: what does citation tracking add to PubMed? A case study in depression and coronary heart disease

  Search terms Number of hits
1 Mood disorders [MeSH] OR depression [MeSH] AND Heart disease/epidemiology/etiology/mortality/prevention and control/psychology/rehabilitation [MeSH] 1571
2 Mood disorders [MeSH] OR depression [MeSH] AND Cardiovascular diseases/epidemiology/etiology/mortality/prevention and control/psychology/rehabilitation [MeSH] AND myocardial [tw] OR coronary [tw] 985
3. Personality [MeSH] OR personality tests [MeSH] OR stress, psychological [MeSH] AND Depression [tw] OR depressive [tw] AND Heart disease/epidemiology/etiology/mortality/prevention and control/psychology/rehabilitation [MeSH] 443
4. Cohort studies [MeSH] OR survival analysis [MeSH] OR proportional hazards model [MeSH] OR case-control studies [MeSH] AND Depression [tw] OR depressive [tw] AND Heart disease/epidemiology/etiology/mortality/prevention and control/psychology/rehabilitation [MeSH] 1005
5. Antidepressive agents/adverse effects [MeSH] AND Heart disease/epidemiology/etiology/mortality/prevention and control/psychology/rehabilitation [MeSH] AND Cohort studies [MeSH] OR survival analysis [MeSH] OR proportional hazards model [MeSH] OR case-control [MeSH] 43
Total number of hits 2501