What does OB stand for?

MLA style: "OB." Acronym Finder . 2012. AcronymFinder.com 1 Jun. 2012 http://www.acronymfinder.com/Obligation-(OB).html
Chicago style: Acronym Finder . S.v. "OB." Retrieved June 1 2012 from http://www.acronymfinder.com/Obligation-(OB).html
APA style: OB. (n.d.) Acronym Finder. (2012). Retrieved June 1 2012 from http://www.acronymfinder.com/Obligation-(OB).html

Obligation

This definition appears very rarely and is found in the following Acronym Finder categories:

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