1. The pathogenesis of chronic heart block

   • B. A. Sims

   OriginalPaper Pages: 479 - 490

2. Factor IV—ionised calcium—its requirement for glass-contacting of plasma

   • W. A. Boggust
   • R. A. Q. O’Meara

   OriginalPaper Pages: 491 - 504

3. Alveolar rhabdomyosarcoma: A case report with electron-microscopic findings

   • J. W. Harman
   • M. M. McCabe
   • J. B. McDevitt

   OriginalPaper Pages: 505 - 512

4. Idiopathic hypoparathyroidism: A report of four cases

   • M. I. Drury
   • S. O’Loughlin
   • F. J. Timoney

   OriginalPaper Pages: 513 - 522

5. Cytology of the sputum in carcinoma of the lung: 515 Cases

   • T. M. Healy

   OriginalPaper Pages: 523 - 528

6. Book reviews

   • Catherine A. Quinn
   • J. B. Lyons
   • Mary Dixon

   BookReview Pages: 529 - 531