Perhaps you should try some spelling variations:
registros medicas » registros medicos, registro medico
registros sonicos » registros clinicos, registros medicos, registros semioticos
registro medicos » registros medicos, registro medico, registro unico
en estadistica » la estadistica, de estadistica
medicos en » medicos y, medicos de

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((registros medicas) OR (registros sonicos)) y estadistica de salud ) or ( registro medicos en estadistica de salud ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((registros medicas) OR (registros sonicos)) y estadistica de salud ) OR ( registro medicos en estadistica de salud )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((registros medicas) OR (registros sonicos)) y estadistica de salud ) or ( registro medicos en estadistica de salud ))".
• Adding a wildcard symbol may retrieve word variants: (( ((registros medicas) OR (registros sonicos)) y estadistica de salud ) or ( registro medicos en estadistica de salud ))*.

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