Perhaps you should try some spelling variations:
"cientificas mexicano de anestesiologia ;" » "cientificos mexicanos de anestesiologia ;", "cientifica mexicana de anestesiologia ;", "cientificas mexico de anestesiologia ;", "cientificas mexicana de anestesiologia ;"
"clinica medica en anestesiologo ;" » "clinica medica el anestesiologo ;", "clinica medica en anestesiologia ;", "clinica medica la anestesiologia ;", "politica medica en anestesiologo ;", "clinical medicine en anestesiologo ;", "clinica juridica en anestesiologo ;", "clinica media en anestesiologo ;", "clinica medicina en anestesiologo ;"

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