TY  - RPRT
TI  - [Experiences and problems with aortic valve prosthesis during 14 years].
AU  - W Hügel
AU  - L Brunner
AU  - W Klinner
PY  - 1976
UR  - https://pubmed.ncbi.nlm.nih.gov/962284/
ID  - 962284
ER  -