Contact: Elaine Lissner
Male Contraception Information Project
Caption: This is the Mettler Sonicator, the ultrasound unit currently used in rat studies. Two applications to the testes 48 hours apart produced long-lasting contraception.
Credit: Mettler Electronics Corp.
Usage Restrictions: May be reproduced with appropriate credit.
Related news release: Ultrasound male contraceptive, overlooked for decades, confirmed to work