title: Optimal search strategy for clinical trials in the Latin American and Caribbean Health Science Literature database (LILACS database): update.
authors.forename: A A
authors.initials: AA
authors.lastname: Castro
authors.forename: O A
authors.initials: OA
authors.lastname: Clark
authors.forename: A N
authors.initials: AN
authors.lastname: Atallah
mesh_terms: D017691:Caribbean Region; D002986:Clinical Trials as Topic; D016206:Databases, Bibliographic; D016247:Information Storage and Retrieval / Q000592:standards*; D007843:Latin America