1. Ten-year trends in heart valve replacement operations
Vinod H Thourani, MD, William S Weintraub, MD, Joseph M Craver, MD, Ellis L Jones, MD, Elizabeth M Mahoney, Robert A Guyton, MD 
The Annals of Thoracic Surgery 
Volume 70, Issue 2, Pages (August 2000)
DOI: /S (00)

2. Fig 1
The length of stay in days of patients undergoing heart valve replacement. (AVR = aortic valve replacement; MVR = mitral valve replacement; AVR + MVR = combined aortic and mitral valve replacement.)
The Annals of Thoracic Surgery  , DOI: ( /S (00) )

3. Fig 2
The hospital cost in US dollars of patients undergoing heart valve replacement. (AVR = aortic valve replacement; MVR = mitral valve replacement; AVR + MVR = combined aortic and mitral valve replacement.)
The Annals of Thoracic Surgery  , DOI: ( /S (00) )