Authors: Rohit Budhiraja; Sairam Parthasarathy; Christopher L Drake; Thomas Roth; Imran Sharief; Pooja Budhiraja; Victoria Saunders; David W Hudgel Journal: Sleep Date: 2007-03 Impact factor: 5.849
Authors: Rob McCarney; James Warner; Steve Iliffe; Robbert van Haselen; Mark Griffin; Peter Fisher Journal: BMC Med Res Methodol Date: 2007-07-03 Impact factor: 4.615