Perhaps you should try some spelling variations:
"cronicas mexicanas de anestesiologia ;" » "cronicas americanas de anestesiologia ;", "clinicas mexicanas de anestesiologia ;", "cronica mexicana de anestesiologia ;", "cronicas mexicano de anestesiologia ;", "cronicas mexicana en anestesiologia ;", "cronicas mexicana _ anestesiologia ;"
"clinicas mexicana de anestesiologia ;" » "clinicas mexicanas de anestesiologia ;", "cronica mexicana de anestesiologia ;", "climatica mexicana de anestesiologia ;"

Try widening your search to All Fields.

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

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