Perhaps you should try some spelling variations:
"cientifica mexicana de anestesiologia ;" » "cientificas mexicano de anestesiologia ;", "cientificos mexicanos de anestesiologia ;", "cientifica merida de anestesiologia ;"
"clinica medica a anestesiologia ;" » "clinica medica la anestesiologia ;", "clinica medica y anestesiologia ;", "clinica medica en anestesiologia ;", "politica medica a anestesiologia ;", "clinical medicine a anestesiologia ;", "clinica juridica a anestesiologia ;", "clinica medica al anestesiologia ;"

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

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