title: Diagnosis of occult deep vein thrombosis by a noninvasive bedside technique.
mesh_terms: D000328:Adult; D006801:Humans; D007866:Leg / Q000098:blood supply*; D008875:Middle Aged; D010690:Phlebography; D010992:Plethysmography, Impedance; D011183:Postoperative Complications / Q000175:diagnosis*; D012119:Respiration; D013924:Thrombophlebitis / Q000175:diagnosis*