#912232A mitral valv made of animal biomaterial was implanted into a human heart.Sign in or register,to downloadAdd to cartRemove from cartPackage: Heart valve replacement surgeryCategories: HealthLocation: Moscow, RussiaEvent date: 19.05.2011Date published: 19.05.2011Author: Mikhail FomichevCredit: SputnikSource: SputnikOriginal: DigitalMedia: JPEG, 2297x2880px, 1.3Mbhealthcareorgansurgery