Perhaps you should try some spelling variations:
"cronicas americanas de anestesiologia ;" » "colonias americanas de anestesiologia ;", "chicas americanas de anestesiologia ;", "cronica mexicana de anestesiologia ;", "cronicas americanas del anestesiologia ;", "cronicas americana de anestesiologia ;", "cronicas americanos de anestesiologia ;"
"clinico mexicanas de anestesiologia ;" » "clinicas mexicanas de anestesiologia ;", "critico mexicano de anestesiologia ;", "clinico mexicana de anestesiologia ;", "clinico mexicano de anestesiologia ;", "clinico mexicana en 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: (("clinico mexicanas de anestesiologia ;") or ("cronicas americanas de anestesiologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinico mexicanas de anestesiologia ;") OR ("cronicas americanas de anestesiologia ;")).
• Removing quotes may allow a broader search: (( clinico mexicanas de anestesiologia ; ) or ( cronicas americanas de anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinico mexicanas de anestesiologia ;") or ("cronicas americanas de anestesiologia ;"))*.