osteogenesi imperfetta tipo II | sindrome di Vrolik
fetale Osteoporose | Osteogenesis imperfecta letalis | Osteogenesis imperfecta Typ II | Osteogenesis imperfecta Typ Vrolik | Osteognesis imperfecta congenita Typ Vrolik s. letalis | Osteopsathyrosis congenita | Vrolik-Syndrom