We examined 19 cases (27 limbs) of primary deep venous incompetence (DVI) of lower extremity and 19 cases (38 limbs) of normal subject by color Doppler flow imaging (CDFI).

• 作者应用彩色多普勒检查了19例(27条)原发性下肢深静脉瓣功能不全患者和19例(38条)正常受试者。