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