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37. The sick sinus syndrome. Ferrer MI Circulation; 1973 Mar; 47(3):635-41. PubMed ID: 4571058 [No Abstract] [Full Text] [Related]
38. [Cardiac syncope in patients with sinus rhythm and paroxysmal third degree atrio-ventricular block]. Sigurd B; Jensen G; Meibom J; Sandoe E Ugeskr Laeger; 1972 Dec; 134(51):2685-90. PubMed ID: 4648658 [No Abstract] [Full Text] [Related]
39. [Treatment results with the artificial pacemaker]. Dienstl F Wien Z Inn Med; 1968; 49(9):Suppl:1-38. PubMed ID: 4191590 [No Abstract] [Full Text] [Related]