The REFER (REFer for EchocaRdiogram) protocol: a prospective validation of a clinical decision rule, NT-proBNP, or their combination, in the diagnosis of heart failure in primary care. Rationale and design
REFER（REFER for EchocaRdiogram，即超声心动图检查参考文献）方案：一项前瞻性研究，旨在验证临床决策规则、NT-proBNP 或二者联合应用在基层医疗机构诊断心力衰竭中的应用。研究原理和设计
期刊:BMC Cardiovascular Disorders
影响因子:2.3
doi:10.1186/1471-2261-12-97
Tait, Lynda; Roalfe, Andrea K; Mant, Jonathan; Cowie, Martin R; Deeks, Jonathan J; Iles, Rachel; Barton, Pelham M; Taylor, Clare J; Derit, Marites; Hobbs, F D Richard
