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 mexicana en anestesiologia. ;" » "clinicas mexicanas en anestesiologia. ;", "clinical medicine en anestesiologia. ;", "cronica mexicana en anestesiologia. ;", "clinical mexicana de 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 mexicana en anestesiologia. ;") or ("cientificas mexicano de anestesiologia. ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinical mexicana en anestesiologia. ;") OR ("cientificas mexicano de anestesiologia. ;")).
• Removing quotes may allow a broader search: (( clinical mexicana en anestesiologia. ; ) or ( cientificas mexicano de anestesiologia. ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinical mexicana en anestesiologia. ;") or ("cientificas mexicano de anestesiologia. ;"))*.