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.
Top definition. NBW. Basically is the abbreviation of Naked Body Watcher, A person who likes to watch nudity in secret or in public....using any means such as wallpapers, blogs, videos, pictures...anything involving some naked people. NBW's also have a tendency to peek at peoples posteriors.