A cross-area analysis of intra-area variation in health services utilization : an empirical example of hypothesis testing by observations on populations
A cross-area analysis of intra-area variation in health services utilization : an empirical example of hypothesis testing by observations on populations
A cross-area analysis of intra-area variation in health services utilization : an empirical example of hypothesis testing by observations on populations
A cross-area analysis of intra-area variation in health services utilization : an empirical example of hypothesis testing by observations on populations