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