1. Pericardial aspiration with a needle electrode;Jacobson;S. Afr. Med. J.,1963
2. A pericardiocentesis electrode needle;Gotsman;Brit. Heart J.,1966
3. A radioisotope method of visualization of blood pools;Rejali;Amer. J. Roentgen.,1955
4. The use of 99 mTc pertechnate in cardiac scanning;Witcofski;J. Nucl. Med.,1965
5. The radioisotope blood pool scan;Bonte;Amer. J. Roentgen.,1966