Perhaps you should try some spelling variations:
cronicas americanas » colonias americanas, chicas americanas, cronicas alemanas
en anestesiologia » de anestesiologia
cronica mexicana » botanica mexicana, prensa mexicana
americanas en » americana en, americanos en, americano en
mexicana en » mexicana de

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( cronicas americanas en anestesiologia ; ) or ( cronica mexicana en anestesiologia ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( cronicas americanas en anestesiologia ; ) OR ( cronica mexicana en anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (( cronicas americanas en anestesiologia ; ) or ( cronica mexicana en anestesiologia ; ))*.