Mitral Regurgitation and Heart Failure as the First Presentation in a Patient with Features of Two Connective Tissue Disorders: A Rare Combination of Mucopolysaccharidosis and Osteogenesis Imperfecta?Yasuhiro Hamatani, Toshihisa Anzai, Keiko Ohta‐Ogo et al.|Internal Medicine|2017Cited by 4