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.
Abbreviation for kidneys, ureters, bladder; archaic term for a plain frontal supine radiograph of the abdomen, but still used. KUB. abbreviation for kidney, ureter, and bladder; a term used in a radiographic examination to determine the location, size, shape, and malformation of the kidneys, ureters, and bladder.