claim: Doxycycline may cause teeth to augment color.
evidence: The Kohlhagen Building is a historic commercial building located in downtown Roseburg , Oregon , United States .. commercial building. commercial building. downtown. downtown. Roseburg. Roseburg, Oregon. Oregon. Oregon. United States. United States. The building was listed on the National Register of Historic Places in 1997 .. National Register of Historic Places. National Register of Historic Places