The movement against U.S. involvement in the Vietnam War began smallâamong peace activists and leftist intellectuals on college campusesâbut gained national prominence in 1965, after the United States began bombing North Vietnam in earnest.
Coordinates: 38Â°53â²48â³N 77Â°01â²10â³W / 38.8968Â°N 77.0194Â°W / 38.8968; -77.0194. The National Academy of Medicine (NAM), formerly called the Institute of Medicine (IoM), is an American nonprofit, non-governmental organization.
An immunoreceptor tyrosine-based activation motif (ITAM) (in the antagonistic case ITIM, I for inhibition) is a conserved sequence of four amino acids that is repeated twice in the cytoplasmic tails of certain cell surface proteins of the immune system. Structure