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.
Recent Examples of nonionic from the Web NBS Corning Corning, New York NBS â as in nonbinding surface â is a nonionic hydrophilic polymer coating that prevents traces of proteins, DNA, or drug compounds from sticking to test tubes or assay plates.