singular or plural?

0In the sentence below, I'm not sure whether to make 01i00link02i00 singular or plural. 01blockquote

02br
12br
10The link between PTSD and anger, hostility, and aggression has been....12br
12br
10or12br
12br
10The links between PTSD and anger, hostility, and aggression have been....12br
12blockquote

10I suppose plural might make the most logical sense. After all, there are three links/connections/associations here: the link between PTSD and anger, the link between PTSD and hostility, and the link between PTSD and aggression. Still, 01i00the links02i00 sounds funny....0-