1. gerontología   psychiatry   oncology   gerontology   dentistry   Hint Half-n-half Clue   2. cirugía   rheumatology   neurology   psychology   surgery   Half-n-half Clue   3. pediatría   pediatrics, paediatrics   obstetrics   psychiatry   orthodontics   Half-n-half Clue   4. psiquiatría   cardiology   psychiatry   dietetics   nephrology   Half-n-half Clue   5. ortodoncia   physiotherapy   orthodontics   psychology   surgery   Half-n-half Clue   6. odontología   rheumatology   dentistry   radiology   oncology   Half-n-half Clue   7. nefrología   nephrology   obstetrics   endocrinology   radiology   Half-n-half Clue