Perhaps you should try some spelling variations:
"politica mexicana en anestesiologia ;" » "politico mexicano en anestesiologia ;", "politica mexico en anestesiologia ;", "politica espana en anestesiologia ;", "politica mexicana de anestesiologia ;"
"politica medica en anestesiologia ;" » "politica medica de anestesiologia ;", "politica america en anestesiologia ;", "politica mexico en anestesiologia ;", "practica medica en anestesiologia ;", "politica media en anestesiologia ;", "politica medicina 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: (("politica mexicana en anestesiologia ;") OR ("politica medica en anestesiologia ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"politica mexicana en anestesiologia ;\") OR (\"politica medica en anestesiologia ;\"))".
• Removing quotes may allow a broader search: (( politica mexicana en anestesiologia ; ) OR ( politica medica en anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("politica mexicana en anestesiologia ;") OR ("politica medica en anestesiologia ;"))*.