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