English Mark Cullen (physician) Cited by user Samwinslow on 12 Apr 2021 Mark Richard Cullen is a physician, scholar, and population health scientist known for his work in occupational medicine.
English Southern United States Cited by user Citation bot on 26 Nov 2018 The southern United States, also known as the American South, Dixie, Dixieland, or simply the South, is a region of the United States of America.