title: On the diagnosis of deep venous thrombosis in patients at risk.
mesh_terms: D004198:Disease Susceptibility; D005340:Fibrinogen; D005341:Fibrinolysin / Q000494:pharmacology; D006801:Humans; D007457:Iodine Radioisotopes; D015609:Organotechnetium Compounds; D010690:Phlebography / Q000379:methods; D010865:Pilot Projects; D010992:Plethysmography, Impedance; D012306:Risk; D013667:Technetium / Q000494:pharmacology; D013924:Thrombophlebitis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014463:Ultrasonography
chemical_list: D007457:Iodine Radioisotopes; D015609:Organotechnetium Compounds; C034360:technetium Tc 99m plasmin; D013667:Technetium; D005340:Fibrinogen; D005341:Fibrinolysin