1. Operation for Infective Endocarditis: Results After Implantation of Mechanical Valves 
Robert Bauernschmitt, Heinz G Jakob, Christian-Friedrich Vahl, Rüdiger Lange, Siegfried Hagl 
The Annals of Thoracic Surgery 
Volume 65, Issue 2, Pages (February 1998)
DOI: /S (97)

2. Fig. 1
Infective microorganisms. Data in percent. (Gramneg. = gram-negative microorganisms; Staph. aur. = Staphylococcus aureus; Staph. ep. = Staphylococcus epidermidis; Str. = Streptococcus.)
The Annals of Thoracic Surgery  , DOI: ( /S (97) )

3. Fig. 2
Site of infection. Data in percent. (AMTVE = aortic, mitral and tricuspid valve endocarditis; AMVE = aortic and mitral valve endocarditis; ATVE = aortic and tricuspid valve endocarditis; AVE = aortic valve endocarditis; MTVE = mitral and tricuspid valve endocarditis; MVE = mitral valve endocarditis; TVE = tricuspid valve endocarditis.)
The Annals of Thoracic Surgery  , DOI: ( /S (97) )

4. Fig. 3
Survival and reoperation-free survival in 138 patients undergoing operation for infective endocarditis between 1988 and 1996.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )