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