hipodérmica 47
May refer to a needle or syringe. It means it is found, operated, works or applied under the skin. It is a medical instrument consisting of a hollow needle, a tube and a plunger, which is used to inject substances into the body. Name given to a theory suggesting the great effect that propaganda had on the community for war purposes. It boomed greatly between 1920 and 1930 between the two world wars and its main driver was researcher and publicist Harold Dwight Lasswell.