TY  - RPRT
TI  - Valvular heart disease: putting guidelines into practice.
AU  - G T Wilkins
PY  - 1997
DO  - 10.1136/bmj.314.7092.1428
UR  - https://pubmed.ncbi.nlm.nih.gov/9167552/
ID  - 9167552
ER  -