Technology. Precautions heeded for change to digital TV.
Thrall
Terese Hudson
TH
D004582:Electronics, Medical / Q000331:legislation & jurisprudence* / Q000592:standards; D006747:Hospital Communication Systems / Q000331:legislation & jurisprudence* / Q000592:standards; D006801:Humans; D013690:Television / Q000331:legislation & jurisprudence* / Q000592:standards; D014481:United States