Perhaps you should try some spelling variations:
"climatica mexicana en medicina interna ;" » "politica mexicana en medicina interna ;", "climatico mexico en medicina interna ;", "latina mexicana en medicina interna ;", "climatica mexicana de medicina interna ;", "climatica mexicana la medicina interna ;"
"clinicas mexicano en medicina interna ;" » "clinicas mexicanas en medicina interna ;", "clinical medicine en medicina interna ;", "clinica medica en medicina interna ;", "clinicas mexicano de medicina interna ;", "clinicas mexicano la medicina interna ;", "clinicas mexicanos en medicina interna ;", "clinicas mexico en medicina interna ;"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("climatica mexicana en medicina interna ;") or ("clinicas mexicano en medicina interna ;"))~.
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• Removing quotes may allow a broader search: (( climatica mexicana en medicina interna ; ) or ( clinicas mexicano en medicina interna ; )).
• Adding a wildcard symbol may retrieve word variants: (("climatica mexicana en medicina interna ;") or ("clinicas mexicano en medicina interna ;"))*.