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.
1 nb, a common abbreviation for the Romanian 'Good night' [Noapte Buna]. 2  nb, a common abbreviation for Nota bene, an Italian and Latin phrase meaning note well. 3  NB, an abbreviation of non-binary (see Genderqueer). nb, a common abbreviation for the Romanian 'Good night' [Noapte Buna]. 2  nb, a common abbreviation for Nota bene, an Italian and Latin phrase meaning note well. 3  NB, an abbreviation of non-binary (see Genderqueer).