Chen, C S Color Doppler ultrasound used for screening varicocele: the clinical significance as compared to physical examination. [electronic resource] - Changgeng yi xue za zhi Dec 1995 - 341-6 p. digital Publication Type: Comparative Study; Journal Article Subjects--Topical Terms: HumansMaleMass Screening--methodsPhysical ExaminationRetrospective StudiesUltrasonography, Doppler, ColorVaricocele--diagnostic imaging