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