1. obstetra   cardiologist   obstetrician   orthopedist, orthopaedist   physician   Hint Half-n-half Clue   2. oncólogo   dietician   chiropractor   oncologist   physiotherapist   Half-n-half Clue   3. neurólogo   neurologist   orthopedist, orthopaedist   chiropodist   orthodontist   Half-n-half Clue   4. ginecólogo   orthopedist, orthopaedist   dermatologist   dietician   gynecologist, gynaecologist   Half-n-half Clue   5. pediatra   pediatrician, paediatrician   physician   dermatologist   orthodontist   Half-n-half Clue   6. patólogo   pathologist   oncologist   physician   chiropodist   Half-n-half Clue   7. gerontólogo   dietician   psychologist   dentist   gerontologist   Half-n-half Clue