• cells
  • Upon in vitro restimulation with infected antigen-presenting cells, CD8(+) T cells from acutely infected susceptible neonates acquired strong MT389-specific cytotoxicity. (nih.gov)
  • requirements
  • This and nonexistent testing requirements led to the elixir sulfanilamide disaster in the fall of 1937, during which at least 100 people were poisoned with diethylene glycol. (wikipedia.org)
  • Testing included amounts of selected index elements, their ability to disintegrate in solution per United States Pharmacopeia guidelines, lead contamination threshold set in California Proposition 65, and meeting U.S. Food and Drug Administration (FDA) labeling requirements. (wikipedia.org)