Cardiovascular Journal of South Africa : Official Journal for Southern Africa Cardiac Society [And] South African Society of Cardiac Practitioners|August 24, 2004
Cardiovascular Journal of South Africa : Official Journal for Southern Africa Cardiac Society [And] South African Society of Cardiac Practitioners|May 16, 2003
The International Journal of Tuberculosis and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease|October 23, 1998
Cardiovascular Journal of South Africa : Official Journal for Southern Africa Cardiac Society [And] South African Society of Cardiac Practitioners|August 24, 2004
Cardiovascular Journal of South Africa : Official Journal for Southern Africa Cardiac Society [And] South African Society of Cardiac Practitioners|May 16, 2003
The International Journal of Tuberculosis and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease|October 23, 1998