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Meyer-Wittkopf, M.; Kaulitz, R.; Abele, H.; Schauf, B.; Hofbeck, M.; Wallwiener, D. (2005). Interventional fetal balloon valvuloplasty for congenital heart disease—current shortcomings and possible perspectives. Gynecological surgery, 2(2), pp. 113-118. Springer 10.1007/s10397-005-0090-z
