1. gerontólogo   dietician   gerontologist   psychiatrist   oncologist   Hint Half-n-half Clue   2. dietista, nutricionista   nephrologist   dietician   surgeon   pediatrician, paediatrician   Half-n-half Clue   3. radiólogo   radiologist   orthopedist, orthopaedist   cardiologist   nephrologist   Half-n-half Clue   4. ginecólogo   urologist   chiropodist   gynecologist, gynaecologist   dietician   Half-n-half Clue   5. psicólogo   pathologist   psychologist   dentist   urologist   Half-n-half Clue   6. dermatólogo   chiropodist   dermatologist   radiologist   dentist   Half-n-half Clue   7. psiquiatra   pediatrician, paediatrician   radiologist   dietician   psychiatrist   Half-n-half Clue