Perhaps you should try some spelling variations:
"clinical mexicanas en medicina interna ;" » "clinicas mexicanas en medicina interna ;", "clinical medicine en medicina interna ;", "clinical mexicanos en medicina interna ;", "clinical mexicano en medicina interna ;", "clinical mexicanas de medicina interna ;", "clinical mexicanas la medicina interna ;"
"cronica mexicana en medicina interna ;" » "botanica mexicana en medicina interna ;", "prensa mexicana en medicina interna ;", "cronica mexicana de medicina interna ;", "cronica mexicana la medicina interna ;"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("clinical mexicanas en medicina interna ;") or ("cronica mexicana en medicina interna ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinical mexicanas en medicina interna ;") OR ("cronica mexicana en medicina interna ;")).
• Removing quotes may allow a broader search: (( clinical mexicanas en medicina interna ; ) or ( cronica mexicana en medicina interna ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinical mexicanas en medicina interna ;") or ("cronica mexicana en medicina interna ;"))*.