Construction of the railways helped to develop the national _______ of Tanzania and Zambia.
C
暂无解析
支气管扩张症肺内感染常见致病菌为()
发绀的病因分为:()和()
拇指肿胀,不能伸直外展,拇指中节、大鱼际有触痛及波动,应考虑()
名词解释:主诉
正常成人胸廓前后径较左右径()