1. nutrición   physiology   radiology   dietetics   endocrinology   Hint Half-n-half Clue   2. oncología   oncology   orthodontics   pediatrics, paediatrics   urology   Half-n-half Clue   3. dermatología   dermatology   gerontology   cardiology   radiology   Half-n-half Clue   4. endocrinología   orthodontics   psychology   endocrinology   pediatrics, paediatrics   Half-n-half Clue   5. cardiología   pathology   cardiology   endocrinology   dermatology   Half-n-half Clue   6. cirugía   physiology   psychology   obstetrics   surgery   Half-n-half Clue   7. ortodoncia   radiology   dentistry   orthodontics   neurology   Half-n-half Clue