Goldman, A B; Davidson, D; Pavlov, H; Bullough, P G (1 August 1980). ""Popcorn" calcifications: a prognostic sign in osteogenesis imperfecta". Radiology. 136 (2): 351–358. doi:10.1148/radiology.136.2.7403509. PMID7403509.
Goldman, A B; Davidson, D; Pavlov, H; Bullough, P G (1 August 1980). ""Popcorn" calcifications: a prognostic sign in osteogenesis imperfecta". Radiology. 136 (2): 351–358. doi:10.1148/radiology.136.2.7403509. PMID7403509.