The lymphoid follicles of the human palatine tonsil.

The echocardiogram of the porcine aortic bioprosthesis in the aortic position.

Hemodynamic results of aortic valvular replacement with the porcine xenograft valve.

Repeat myocardial revascularization for uncontrollable angina after occlusion of prior aortocoronary bypass.

Effects of repeated applications of two semi-permanent hair dyes to the skin of A and DBAf mice.

Dendritic cells and B lymphocytes in Hodgkin's disease.

Role of self-instruction and self-testing in teaching pathology.

The red eye.

Autologous blood transfusion during cardiac surgery. A re-evaluation of three methods.

Concomitant aortic valve replacement and myocardial revascularization.