TY  - RPRT
TI  - Too old for heart valve replacement?
AU  - P J Walter
AU  - R Mohan
PY  - 1996
DO  - 10.1093/oxfordjournals.eurheartj.a014899
UR  - https://pubmed.ncbi.nlm.nih.gov/8733079/
ID  - 8733079
ER  -