Zhou X, Cella D, Cameron D, Amonkar MM, Segreti A, Stein S, Walker M, Geyer CE. Lapatinib plus capecitabine versus capecitabine alone for HER2+(ErbB2+) metastatic breast cancer: quality-of-life assessment. Breast Cancer Res Treat. 2009 Oct 1;117(3):577-89. doi: 10.1007/s10549-009-0310-8
Cappelleri JC, Bushmakin AG, McDermott AM, Dukes E, Sadosky A, Petrie CD, Martin SA. Measurement properties of the medical outcomes study sleep scale in patients with fibromyalgia. Sleep Med. 2009 Aug;10(7):766-70.