00453nas a2200169   4500000000100000000000100001008004100002100001200043700002500055700001500080700001300095700001200108245011300120300001100233490000700244022003200251       2006                            d1 aT. Card1 aM. Solaymani-Dodaran1 aR. Hubbard1 aR. Logan1 aJ. West00aIs an internal comparison better than using national data when estimating mortality in longitudinal studies?  a819-210 v60  a0143-005X (Print) 0143-005x