1. Khosla S, Lufkin EG, Hodgson SF et al (1994) Epidemiology and clinical features of osteoporosis in young individuals. Bone 15:551–555
2. Shapiro J (2001) Osteogenesis imperfecta and other defects of bone development as occasional causes of adult osteoporosis. In: Marcus R, Feldman D, Kelsey J (eds) Osteoporosis, vol II. Academic Press, San Diego, pp 293–294
3. Heshmati HM, Khosla S (1998) Idiopathic osteoporosis: a heterogeneous entity. Ann Med Interne (Paris) 149:77–81
4. Khosla S, Riggs BL, Melton JL III (1995) Clinical spectrum. In: Riggs BL, Melton JL III (eds) Osteoporosis: etiology, diagnosis and management. Lippincott Raven, Philadelphia, pp 205–209
5. Smith R (1992) Osteoporosis. In: Grossman A (ed) Clinical endocrinology. Blackwell Scientific Publications, Oxford, pp 569–570