text: Health Highlights: Sept. 28, 2004 About half the Viagra sold on the Internet could be fake, according to University of London researchers. The scientists used near infrared (NIR) microscopy to check the ingredients of various samples of Viagra that were purchased online.
inputs: Health Highlights: Sept. 28, 2004 About half the Viagra sold on the Internet could be fake, according to University of London researchers. The scientists used near infrared (NIR) microscopy to check the ingredients of various samples of Viagra that were purchased online.