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Figure 1 Radiograms of the lumbar spine, lateral projection of a boy with osteogenesis imperfecta type IV (patient no. 3). (A) Before treatment at 0.4 years of age. (B) After 1.5 years of treatment. (C) After 3 years of treatment. Vertebral height measurement is indicated by the vertical line in L1. A successive increase of mineralisation and vertebral height was seen.
