US prevalenz of "mental illness" would be 20times as high as in Australia; data cannot explain everything, a general problem with epidemiology. Looks like there are other reasons for the higher chance to die from a gun shot in the US
29.7 vs. 1.4 - safer? | ||
文章来源: TJKCB 于 2018-02-16 16:30:58 | ||
|
|||