@BBCWorld: A dose of ultrasound can stop the production of sperm, say researchers investigating a new form of #contraception-Spotted By Andrea Clinton
http://www.bbc.co.uk/news/health-16756381#TWEET69732
@BBCWorld: A dose of ultrasound can stop the production of sperm, say researchers investigating a new form of #contraception-Spotted By Andrea Clinton
http://www.bbc.co.uk/news/health-16756381#TWEET69732