Perhaps you should try some spelling variations:
"cronicas mexicana en anestesiologia ;" » "cronica mexicana en anestesiologia ;", "cronicas americanas en anestesiologia ;", "clinicas mexicanas en anestesiologia ;", "cronicas mexicana de anestesiologia ;"
"clinica medica de anestesiologia ;" » "politica medica de anestesiologia ;", "clinical medicine de anestesiologia ;", "clinica juridica de anestesiologia ;", "clinica medida de anestesiologia ;", "clinica media de anestesiologia ;", "clinica 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: (("cronicas mexicana en anestesiologia ;") OR ("clinica medica de anestesiologia ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cronicas mexicana en anestesiologia ;\") OR (\"clinica medica de anestesiologia ;\"))".
• Removing quotes may allow a broader search: (( cronicas mexicana en anestesiologia ; ) OR ( clinica medica de anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("cronicas mexicana en anestesiologia ;") OR ("clinica medica de anestesiologia ;"))*.