1. chan ke xue   neurology   rheumatology   gynecology, gynaecology   obstetrics   Hint Half-n-half Clue   2. π fu xue   surgery   dermatology   neurology   endocrinology   Half-n-half Clue   3. zhong liu xue   oncology   radiology   pathology   rheumatology   Half-n-half Clue   4. sheng li   endocrinology   gerontology   dentistry   physiology   Half-n-half Clue   5. shen [jing;jing] xue   gynecology, gynaecology   dietetics   obstetrics   neurology   Half-n-half Clue   6. ji chi [jia;jiao;jiao] [zheng;zheng] [shu;zhu]   dietetics   gerontology   orthodontics   neurology   Half-n-half Clue   7. xiao er ke ，xiao er ke   gerontology   pediatrics, paediatrics   neurology   physiology   Half-n-half Clue