6[1]Aqulia AM. Deep Venous thrombosis[J]. J Cardiovasc Nurs,2001,15(4):25-44
7[2]Wallace JI. Sactioning a two edgedsword:Rechcing the ory-practicega[J]. J Janual of Neorutal Nuring,1998,6(4):12-14
8[4]Sandler DA,Marin JF. Autopsy roven pulmonary embolism in hospital patients;are we etecting enough deep vein thrombosis?[J]. J. R soc Med,1989,82(4):203
9[7]Famer RDT,Preston TD. The risk of venous thrombebolism associated with low oestroen oral contraceptives[J]. J obstel Gunaeol,1995,5(2):195
10[8]Hoyt DB,Sncgle JR. Deep venous thrombosis in the surgical intensive care unit[J]. Surgical clinics of No Amcraca,1991,71:811