1. 营养学   neurology   dietetics   gerontology   cardiology   Hint Half-n-half Clue   2. 内分泌学   endocrinology   urology   gynecology, gynaecology   pediatrics, paediatrics   Half-n-half Clue   3. 心理学   dietetics   physiology   psychology   oncology   Half-n-half Clue   4. 手术   surgery   rheumatology   nephrology   gerontology   Half-n-half Clue   5. 老人医学   physiology   nephrology   gerontology   pathology   Half-n-half Clue   6. 肿瘤学   oncology   psychiatry   dentistry   rheumatology   Half-n-half Clue   7. 畸齿矫正术   dentistry   physiotherapy   physiology   orthodontics   Half-n-half Clue