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