Link Lilli B, Robbins Laura, Mancuso Carol A, Charlson Mary E
Mailman School of Public Health, Department of Epidemiology, Columbia University, 630 W. 168th Street, Box 43, New York, NY 10032, USA.
Patient Educ Couns. 2005 Jul;58(1):96-103. doi: 10.1016/j.pec.2004.07.007.