Perhaps you should try some spelling variations:
"cientifica mexicana de anestesiologia ;" » "cientificas mexicano de anestesiologia ;", "cientificos mexicanos de anestesiologia ;", "cientifica merida de anestesiologia ;"
"politica medica de anestesiologia ;" » "politica america de anestesiologia ;", "politica mexico de anestesiologia ;", "practica medica de anestesiologia ;", "politica medida de anestesiologia ;", "politica media de anestesiologia ;", "politica medicina de anestesiologia ;"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("cientifica mexicana de anestesiologia ;") OR ("politica medica de anestesiologia ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cientifica mexicana de anestesiologia ;\") OR (\"politica medica de anestesiologia ;\"))".
• Removing quotes may allow a broader search: (( cientifica mexicana de anestesiologia ; ) OR ( politica medica de anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("cientifica mexicana de anestesiologia ;") OR ("politica medica de anestesiologia ;"))*.