Introduction to the ninth edition: antithrombotic therapy and prevention of thrombosis, 9th ed: American College of Chest Physicians evidence-based clinical practice guidelines
                                                Chest; 141 (2,supl), 2012                                            
                                        
                                                                                    
                                                The Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines differs substantially from the prior versions both in process and in content. In this introduction, we describe some of the differences and the rationale for t...                                            
                                        
                                                                                    
                                        
                                                                                    
                                                                             
                        