Here is another posting of parts of the Slate story on a photography site called Pixoscope. Gosh I wish I had 1 roll of Tri-x 35mm film for each time the Slate feature has been reposted, or linked.
http://www.pixoscope.com
http://www.pixoscope.com/people/body-sellers-the-sex-workers-of-thailand/
http://www.pixoscope.com
http://www.pixoscope.com/people/body-sellers-the-sex-workers-of-thailand/