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 ;"
"clinica medicina de anestesiologia ;" » "clinical medicine de anestesiologia ;", "clinica medica de anestesiologia ;", "fisica medicina 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: (("cientificos mexicano de anestesiologia ;") or ("clinica medicina de anestesiologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cientificos mexicano de anestesiologia ;") OR ("clinica medicina de anestesiologia ;"))*.
• Removing quotes may allow a broader search: (( cientificos mexicano de anestesiologia ; ) or ( clinica medicina de anestesiologia ; ))*.