Perhaps you should try some spelling variations:
"botanica mexicanas de medicina interna ;" » "botanica mexicana de medicina interna ;", "botanica mexicano de medicina interna ;", "botanica mexicana en medicina interna ;"
"cronica mexicana la medicina interna ;" » "botanica mexicana la medicina interna ;", "prensa mexicana la medicina interna ;", "cronica mexicana a medicina interna ;", "cronica mexicano la medicina interna ;", "cronica mexicana una 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: (("botanica mexicanas de medicina interna ;") or ("cronica mexicana la medicina interna ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("botanica mexicanas de medicina interna ;") OR ("cronica mexicana la medicina interna ;"))*.
• Removing quotes may allow a broader search: (( botanica mexicanas de medicina interna ; ) or ( cronica mexicana la medicina interna ; ))*.