Key result
Searching multiple databases is essential for optimal literature coverage, as the four major databases combined indexed 506 (52%) of 977 psychiatry journals, with 35% indexed in only one database.
Searching multiple databases, particularly combining PSYCLIT and EMBASE, is necessary to ensure optimal coverage of psychiatry literature.
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Multiple database searches are needed to avoid gaps in psychiatry evidence synthesis; this Level 5 analysis leaves open optimal combinations for other fields.
McDonald et al. (1999) studied Psychiatry journals (n=977). Bibliographic databases (PSYCLIT, EMBASE, BIOSIS, MEDLINE) was evaluated on Coverage and overlap of databases for psychiatry journals. Searching multiple databases is essential for optimal literature coverage, as the four major databases combined indexed 506 (52%) of 977 psychiatry journals, with 35% indexed in only one database.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: