Michael
→Pathogenesis: more risk factors
18:03
+272
more
01:09
+49
→Risk factors: more risks
01:08
+488
expand
01:01
+528
00:57
+1,950
+cat.
04:29
+33
more, theory
04:27
+225
twealk
04:19
+28
create
04:18
+373