Perhaps you should try some spelling variations:
"politico mexicanos en medicina interna ;" » "politico mexicano en medicina interna ;", "politica mexicana en medicina interna ;", "politico mexico en medicina interna ;", "politico mexicana en medicina interna ;", "politico mexicano de medicina interna ;", "politico mexicanos de medicina interna ;", "politico mexicanos la medicina interna ;"
"politicos mexico en medicina interna ;" » "politica mexico en medicina interna ;", "policy mexico en medicina interna ;", "politicos mexico de medicina interna ;", "politicos mexico la 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: (("politico mexicanos en medicina interna ;") or ("politicos mexico en medicina interna ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("politico mexicanos en medicina interna ;") OR ("politicos mexico en medicina interna ;")).
• Removing quotes may allow a broader search: (( politico mexicanos en medicina interna ; ) or ( politicos mexico en medicina interna ; )).
• Adding a wildcard symbol may retrieve word variants: (("politico mexicanos en medicina interna ;") or ("politicos mexico en medicina interna ;"))*.