title: Expression of concern: Prevention of central venous line-related thrombosis by continuous infusion of low-dose unfractionated heparin, in patients with haemato-oncological disease. A randomized controlled trial.
mesh_terms: D000925:Anticoagulants / Q000008:administration & dosage*; D002405:Catheterization, Central Venous / Q000009:adverse effects* / Q000295:instrumentation; D002408:Catheters, Indwelling / Q000009:adverse effects*; D019337:Hematologic Neoplasms / Q000188:drug therapy*; D006493:Heparin / Q000008:administration & dosage*; D006801:Humans; D007263:Infusions, Parenteral; D016896:Treatment Outcome; D056824:Upper Extremity Deep Vein Thrombosis / Q000209:etiology / Q000517:prevention & control*
chemical_list: D000925:Anticoagulants; D006493:Heparin