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 ;"
"clinical medicine de anestesiologia ;" » "clinical medicina de anestesiologia ;", "clinical medicins de anestesiologia ;", "clinical medicina del anestesiologia ;", "clinica medicine de 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: (("cientificas mexicano de anestesiologia ;") OR ("clinical medicine de anestesiologia ;"))~.
• Removing quotes may allow a broader search: (( cientificas mexicano de anestesiologia ; ) or ( clinical medicine de anestesiologia ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("cientificas mexicano de anestesiologia ;") or ("clinical medicine de anestesiologia ;"))*.