It was a pretty large population—one tenth the population of Barcelona, if wikipedia is to be believed. You’d be hard pressed to get the same coverage out of a randomized study.
It’s an imperfect world, taw. We need all the data we can get.
It was a pretty large population—one tenth the population of Barcelona, if wikipedia is to be believed. You’d be hard pressed to get the same coverage out of a randomized study.
It’s an imperfect world, taw. We need all the data we can get.