1. INTRAUTERINE OSTEOGENESIS IMPERFECTA
2. D. F. Cappell (1958 ), Personaluir's Textbook of Pathology , Edward Arnold Ltd., 7th Edn. , pp.957 and1005 .
3. R. L. Cecil, and R. F. Loeb (1960 ), Personal Textbook of Medicine , W. B. Saunders Co., PhiladelphiaandLondon, 10th Edn. , p.1390 .
4. Osteogenesis Imperfecta