00382nas a2200145   4500000000100000000000100001008004100002100001300043700001600056700001700072245011400089300001200203490000700215022001400222       2018                            d1 aN. Hazra1 aC. Rudisill1 aM. Gulliford00aDeterminants of health care costs in the senior elderly: age, comorbidity, impairment, or proximity to death?  a831-8420 v19  a1618-7598