Real World article
(written from a Production point of view)

Detroit Department of Health was a government agency for Detroit mentioned on a medical file prepared for the Star Trek: Enterprise episode "Carpenter Street". While a number of different forms were seen on screen, none of them were readable or even especially recognizable, so it remains unclear if the information about the department was seen in the episode.

Going by the files, several Detroiters completed medical questionaires for this agency before they donated blood at the Porter Street blood bank in 2004.

Examples of these forms can be seen at [1]