Redirect Notice
 The previous page is sending you to https://www.semanticscholar.org/paper/Nongonococcal-urethritis--a-new-paradigm.-Burstein-Zenilman/80feb52db1c82d205f11b2abebc861c2e72eaea3/figure/1.

 If you do not want to visit that page, you can return to the previous page.