title: Assessing the quality of clinical trials: can it be done?
authors.forename: C L
authors.initials: CL
authors.lastname: Bennett
authors.forename: J R
authors.initials: JR
authors.lastname: Adams
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use; D002986:Clinical Trials as Topic / Q000592:standards*; D006495:Heparin, Low-Molecular-Weight / Q000627:therapeutic use; D006801:Humans; D015201:Meta-Analysis as Topic; D012107:Research Design / Q000592:standards*
chemical_list: D000925:Anticoagulants; D006495:Heparin, Low-Molecular-Weight