TY - RPRT TI - Endocardial fibroelastosis in infancy. AU - O MORTENSEN AU - F KISSMEYER-NIELSEN AU - P KØLLE-JØRGENSEN PY - 1954 DO - 10.1111/j.1651-2227.1954.tb04003.x UR - https://pubmed.ncbi.nlm.nih.gov/13138180/ ID - 13138180 ER -