K. A. Robinson, A. G. Dunn, G. Tsafnat and P. Glasziou. (2014). Citation networks of related trials are often disconnected: implications for bidirectional citation searches. J Clin Epidemiol (Vol. 67, pp. 793-9).
Abstract: BACKGROUND AND OBJECTIVES: Reports of randomized controlled trials (RCTs) should set findings within the context of previous research. The resulting network of citations would also provide an alternative search method for clinicians, researchers, and systematic reviewers seeking to base decisions on all available evidence. We sought to determine the connectedness of citation networks of