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[Echocardiographic parameters in the follow-up of left ventricular performance before and after the surgical correction of mitral and aortic regurgitation].
Drăgulescu SI, Streian C, Velica A, Cristodorescu R, Abazid J, Nicolin M. Drăgulescu SI, et al. Among authors: velica a. Rev Med Interna Neurol Psihiatr Neurochir Dermatovenerol Med Interna. 1989 Mar-Apr;41(2):135-42. Rev Med Interna Neurol Psihiatr Neurochir Dermatovenerol Med Interna. 1989. PMID: 2573127 Romanian.