https://medlineplus.gov/ency/article/001044.htm
Trench mouth: MedlinePlus Medical Encyclopedia
Trench mouth is an infection that causes swelling (inflammation) and ulcers in the gums (gingivae). The term trench mouth comes from World War I, when this...
trench mouthmedlineplusmedicalencyclopedia
https://www.sciencenews.org/archive/trench-mouth-threatens-be-always-us
Trench Mouth Threatens to Be Always with Us | Science News
always with ustrench mouthto bethreatensscience
https://www.colgate.com/en-sg/oral-health/gum-disease/what-is-trench-mouth
What is Trench Mouth?
what istrenchmouth