Perhaps you should try some spelling variations:
"cientificas mexicano de medicina interna ;" » "cientificos mexicanos de medicina interna ;", "cientifica mexicana de medicina interna ;", "cientificas mexico de medicina interna ;", "cientificas mexicana de medicina interna ;"
"clinical medicins de medicina interna ;" » "clinical medicine de medicina interna ;", "clinicas mexicanas de medicina interna ;", "clinica medica de medicina interna ;", "clinical medicina de medicina interna ;", "clinical mediciones de medicina interna ;", "clinical medicina del medicina interna ;"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinical medicins de medicina interna ;") OR ("cientificas mexicano de medicina interna ;"))~.
• Removing quotes may allow a broader search: (( clinical medicins de medicina interna ; ) or ( cientificas mexicano de medicina interna ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("clinical medicins de medicina interna ;") or ("cientificas mexicano de medicina interna ;"))*.