[Two monozygotic twin sisters affected with a severe form of osteogenesis imperfecta congenita (author's transl)]

Description of two monozygotic twin sisters both showing at 6 1/2 months of intrauterine life the existence of a severe form of osteogenesis imperfecta. On this occasion the authors insist on the necessity of X-rays in cases of stillbirths which will enable the physician to give an appropriate genetic advice.