https://pressroom.prlog.org/sprectum/ About Spectrum - Spectrum is the leading health-only communications practice among public relations firms in Washington, DC, serving pharmaceutical, biotechnology, patient advocacy, hospital and medical society clients throughout the US. https://www.prlog.org/10512811-spectrum-shows-conclusive-results-with-digital-strategy.html Online Advertising As a Sole Communication Tactic Successfully Influences Niche AudiencesSun, 31 Jan 2010 23:29:57 GMT