Bid rent theory in the central business district (CBD) [edit]. Land users, whether they be retail, office, or residential, all compete for the most accessible land within the CBD. The amount they are willing to pay is called bid rent.
Recombinant or purified protein vaccines consist of protein antigens that have either been produced in a heterologous expression system (e.g., bacteria or yeast) or purified from large amounts of the pathogenic organism.
a suspension of an attenuated strain (bacillus Calmette-GuÃ©rin) of Mycobacterium tuberculosis, bovine type, which is inoculated into the skin for tuberculosis prophylaxis. Synonym(s): bacillus Calmette-GuÃ©rin vaccine, Calmette-GuÃ©rin vaccine, tuberculosis vaccine.