Perhaps you should try some spelling variations:
"clinicas mexicanos en anestesiologia ;" » "clinicas mexicanas en anestesiologia ;", "clinicas mexicanos de anestesiologia ;", "clinicas mexicana en anestesiologia ;", "clinicas mexicano de anestesiologia ;"
"clinical medicine en anestesiologia ;" » "clinical medicine de anestesiologia ;", "clinical medicina en anestesiologia ;", "clinical medicinal en anestesiologia ;", "clinical medicine _ anestesiologia ;", "clinica medicine en anestesiologia ;"

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