Perhaps you should try some spelling variations:
"clinical medicina en anestesiologia ;" » "clinical medicine en anestesiologia ;", "clinica medica en anestesiologia ;", "fisica medicina en anestesiologia ;", "clinical medicina del anestesiologia ;", "clinical medicina de anestesiologia ;"
"clinicas mexicanas de anestesiologia ;" » "clinicas mexicana de anestesiologia ;", "clinicas mexicano de anestesiologia ;", "clinicas mexicana en anestesiologia ;"

You may be able to get more results by adjusting your search query.

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