Perhaps you should try some spelling variations:
"cientificos mexicano de anestesiologia ;" » "cientificos mexicanos de anestesiologia ;", "cientificas mexicano de anestesiologia ;", "cientificos mexico de anestesiologia ;", "cientificos 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 ("cientificos mexicano de anestesiologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinical mexicanas de anestesiologia ;") OR ("cientificos mexicano de anestesiologia ;")).
• Removing quotes may allow a broader search: (( clinical mexicanas de anestesiologia ; ) or ( cientificos mexicano de anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinical mexicanas de anestesiologia ;") or ("cientificos mexicano de anestesiologia ;"))*.