Links
[1] http://www.psychiatryadvisor.com/marijuana-may-actually-worsen-ptsd-symptoms/article/388509/
[2] http://www.rethinkpot.org/tags/research
[3] http://www.rethinkpot.org/tags/ptsd
[4] http://www.rethinkpot.org/tags/veterans
[5] http://www.rethinkpot.org/tags/study