Köhler, M [Significance of venous flow murmurs in the inguinal region during Valsalva's maneuver]. [electronic resource] - Verhandlungen der Deutschen Gesellschaft fur Innere Medizin 1969 - 930-3 p. digital Publication Type: Journal Article ISSN: 0070-4067 Subjects--Topical Terms: AdultAuscultationFemoral VeinHumansInguinal CanalMaleMiddle AgedPhlebographyRegional Blood FlowSaphenous VeinValsalva ManeuverVaricose Veins--diagnosis