title: Letter: Spontaneous, lower-extremity venous thrombosis in children.
mesh_terms: D000373:Agglutinins / Q000032:analysis; D001323:Autoantibodies; D002648:Child; D003080:Cold Temperature; D005260:Female; D006801:Humans; D007866:Leg / Q000098:blood supply*; D013924:Thrombophlebitis / Q000276:immunology*
chemical_list: D000373:Agglutinins; D001323:Autoantibodies