medical affairs bureau medical affairs bureau the medical affairs bureau (mab; chinese: 國防部軍醫局; pinyin: guófángbù jūnyījú) is the affiliated authority of the ministry of national defense of the republic of china aimed to establish a streamlined and high quality military medical corps that provides armed forces with medical services to fulfill military build-up and combat missions. medical affairs bureau軍醫局jūnyījúagency overviewformed1925 (1925)headquarterszhongshan, taipei, taiwanparent agencyministry of national defensewebsiteofficial website organizational structures department of medical management department of medical planning department of medical readiness and healthcare department of pharmaceutical management comptroller office transportation the mab headquarter office is accessible within walking distance west from dazhi station of taipei metro.