Perhaps you should try some spelling variations:
"cientificas mexicana de medicina integral ;" » "cientifica mexicana de medicina integral ;", "cientificas mexicano de medicina integral ;", "cientificos mexicanos de medicina integral ;", "cientificas mexicana de medicina integrativa ;", "cientificas mexicana de medicina general ;", "cientificas mexicana de medicina legal ;"
"clinica medica de medicina interna ;" » "politica medica de medicina interna ;", "clinical medicine de medicina interna ;", "clinica juridica de medicina interna ;", "clinica medida de medicina interna ;", "clinica media de medicina interna ;", "clinica medicina de 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: (("clinica medica de medicina interna ;") or ("cientificas mexicana de medicina integral ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinica medica de medicina interna ;") OR ("cientificas mexicana de medicina integral ;")).
• Removing quotes may allow a broader search: (( clinica medica de medicina interna ; ) or ( cientificas mexicana de medicina integral ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinica medica de medicina interna ;") or ("cientificas mexicana de medicina integral ;"))*.