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 media de anestesiologia ;" » "clinica medica de anestesiologia ;", "clinica cimedi de anestesiologia ;", "clinica seis de anestesiologia ;", "clinica medida de anestesiologia ;", "clinica comedia de anestesiologia ;", "clinica media _ 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 media de anestesiologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cronicas mexicana en anestesiologia ;") OR ("clinica media de anestesiologia ;")).
• Removing quotes may allow a broader search: (( cronicas mexicana en anestesiologia ; ) or ( clinica media de anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("cronicas mexicana en anestesiologia ;") or ("clinica media de anestesiologia ;"))*.