TY - RPRT A1 - Beltran-Sanchez, H. A1 - Preston, S. T1 - A new method for attributing changes in life expectancy to various causes of death, with application to the United States Y1 - 2007 UR - http://repository.upenn.edu/psc_working_papers/5/ CY - University of Pennsylvania: Population Studies Centre IS - PSC Working Paper Series; 07-01 ER -