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