In 1970, the number of HMOs declined to fewer than 40. Paul M. Ellwood, Jr., often called the father of the HMO, began having discussions with what is today the U.S. Department of Health and Human Services that led to the enactment of the Health Maintenance Organization Act of 1973.
How is Nutrient Broth (microbiology) abbreviated? NB stands for Nutrient Broth (microbiology). NB is defined as Nutrient Broth (microbiology) very rarely.
Definition: BRB is a Web abbreviation commonly used in blogs, microblogging applications, forums, and Web sites. BRB is an acronym for Be Right Back. Also Known As: B4N (Bye for Now), BBL (Be Back Later). Examples: Hey, somebody's knocking at the door-BRB!