Perhaps you should try some spelling variations:
"clinicas mexicano de anestesiologia ;" » "clinicas mexicanas de anestesiologia ;", "clinical medicine de anestesiologia ;", "clinica medica de anestesiologia ;", "clinicas mexicana de anestesiologia ;"
"politica medicina en anestesiologia ;" » "politica medica en anestesiologia ;", "politica mexicana en anestesiologia ;", "politica americana en anestesiologia ;", "politica medicina del anestesiologia ;", "politica medicina de anestesiologia ;"

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 de anestesiologia ;") or ("politica medicina en anestesiologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinicas mexicano de anestesiologia ;") OR ("politica medicina en anestesiologia ;")).
• Removing quotes may allow a broader search: (( clinicas mexicano de anestesiologia ; ) or ( politica medicina en anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinicas mexicano de anestesiologia ;") or ("politica medicina en anestesiologia ;"))*.