Perhaps you should try some spelling variations:
"cientificas mexicano de anestesiologia." » "cientificos mexicanos de anestesiologia.", "cientifica mexicana de anestesiologia.", "cientificas mexico de anestesiologia.", "cientificas mexicana de anestesiologia."
"clinical mexicanas de anestesiologia." » "clinicas mexicanas de anestesiologia.", "clinical medicine de anestesiologia.", "clinical mexicana de anestesiologia.", "clinical mexicana en anestesiologia.", "clinical mexicana _ anestesiologia."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("clinical mexicanas de anestesiologia.") or ("cientificas mexicano de anestesiologia."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinical mexicanas de anestesiologia.") OR ("cientificas mexicano de anestesiologia.")).
• Removing quotes may allow a broader search: (( clinical mexicanas de anestesiologia. ) or ( cientificas mexicano de anestesiologia. )).
• Adding a wildcard symbol may retrieve word variants: (("clinical mexicanas de anestesiologia.") or ("cientificas mexicano de anestesiologia."))*.