TY - RPRT TI - Increased aortic root stiffness associated with osteogenesis imperfecta. AU - S Kalath AU - P Tsipouras AU - F H Silver PY - 1987 DO - 10.1007/bf02364170 UR - https://pubmed.ncbi.nlm.nih.gov/3578962/ ID - 3578962 ER -