()
http://americanaddictioncenters.org/withdrawal-timelines-treatments/heroin/
http://www.aafp.org/afp/1998/0701/p139.html#sec-1
http://www.aafp.org/afp/2006/0801/p449.html
https://psychcentral.com/blog/archives/2008/06/23/wyeths-dr-phil-ninan-on-pristiq/
