Perhaps you should try some spelling variations:
"cronicas americana en anestesiologia ;" » "cronicas americanas en anestesiologia ;", "cronica mexicana en anestesiologia ;", "critica americana en anestesiologia ;", "cronicas americano en anestesiologia ;", "cronicas america en anestesiologia ;", "cronicas americana de anestesiologia ;"
"clinico mexicano de anestesiologia ;" » "critico mexicano de anestesiologia ;", "politico mexicano de anestesiologia ;", "fisico mexicano de anestesiologia ;", "clinico mexicana 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: (("clinico mexicano de anestesiologia ;") OR ("cronicas americana en anestesiologia ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"clinico mexicano de anestesiologia ;\") OR (\"cronicas americana en anestesiologia ;\"))*".
• Removing quotes may allow a broader search: (( clinico mexicano de anestesiologia ; ) OR ( cronicas americana en anestesiologia ; ))*.