In his doctoral thesis Ekman gave an account of osteogenesis imperfecta in three generations. For extensive translation see No. 4404.1. K.S. Seedorff, Osteogenesis imperfecta, Copenhagen, 1949.
Axmann of Wertheim described osteogenesis imperfecta occurring in himself and his two brothers. He referred to the occurrence of articular dislocations and blue sclerotics. See also No. 6367.