Perhaps you should try some spelling variations:
"cronicas mexicanas de anestesiologia ;" » "cronicas americanas de anestesiologia ;", "clinicas mexicanas de anestesiologia ;", "cronica mexicana de anestesiologia ;", "cronicas mexicana de anestesiologia ;", "cronicas mexicano de anestesiologia ;", "cronicas mexicana _ anestesiologia ;"
"prensa mexicana en anestesiologia ;" » "poesia mexicana en anestesiologia ;", "prensa mexico en anestesiologia ;", "revista mexicana en anestesiologia ;", "prensa mexicana de 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: "((\"cronicas mexicanas de anestesiologia ;\") OR (\"prensa mexicana en anestesiologia ;\"))~".
• Removing quotes may allow a broader search: (( cronicas mexicanas de anestesiologia ; ) OR ( prensa mexicana en anestesiologia ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("cronicas mexicanas de anestesiologia ;") OR ("prensa mexicana en anestesiologia ;"))*.